EMOTIONAL REGULATION & NERVOUS SYSTEM·24 MIN READ·PUBLISHED APRIL 3, 2026·REVIEWED JULY 21, 2026·NEXT REVIEW JANUARY 2027
By Annie Wright, LMFT · Licensed in California, Connecticut, Washington DC, Florida, Maine, Maryland, New Hampshire, New Jersey, Texas, Virginia, and Washington
Trauma and the Nervous System: Understanding Your Body’s Response
TRAUMA & HEALING • July 19, 2026
Clinically reviewed July 2026 by Annie Wright, LMFT · Licensed Marriage & Family Therapist (#95719)
SUMMARY
Your nervous system remembers what your conscious mind worked hard to forget. For driven women who grew up in unpredictable or emotionally unsafe environments, the body’s alarm system learned to stay on, and it never fully powered down even once the threat that built it was long gone. This is an educational look at what’s actually happening in your brain and body, why certain moments produce a response bigger than the trigger, and how a nervous system can learn that the danger has passed.
This article is educational and psychoeducational, and it doesn’t diagnose you with a mental health condition or serve as a treatment plan or a substitute for individualized assessment by a licensed provider. If something here resonates, treat it as information worth bringing into a conversation with a licensed clinician, not as a diagnosis of yourself.
Across more than 15,000 clinical hours, I’ve sat with a specific moment more times than I can count: a capable woman describes a reaction that surprised even her, and then asks, quietly, why her body did that. Stephen Porges, PhD, developmental psychologist and Distinguished University Scientist at Indiana University, has spent decades mapping exactly why bodies do that. This guide translates his research, and what I actually see in session, into something you can use before you ever book a consultation.
What Happens in Your Body Before Your Mind Catches Up?
Michal was three minutes into a closing call when her phone buzzed against the conference table, once, then twice, then a third time in quick succession, and a colleague’s voice sharpened over a disputed redline on page fourteen of the agreement, nothing dramatic, just a raised tone and the particular fluorescent hum of a conference room on the nineteenth floor at 4:50 on a Thursday afternoon. Then something shifted in her that she couldn’t quite name. Her chest tightened. Her jaw locked. The words being spoken became distant, underwater, while her heart pounded as if something were about to go wrong. Nothing was wrong. She knew that, intellectually. Her body didn’t.
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“I have been practicing law for seventeen years,” she told me three weeks later, still faintly unsettled. “I have sat across from opposing counsel who screamed at me. I have never once felt like the room was closing in until that call. And it was nothing. It was a redline.”
Sitting with Michal that first session, I recognized something I’ve seen in dozens of driven, capable women. That underwater feeling wasn’t a malfunction. It was her nervous system, doing exactly what it had learned to do a long time ago, in a context that had absolutely nothing to do with page fourteen of a contract, or the fluorescent lights, or the Thursday.
If either of those experiences sounds familiar, a raised voice that lands in your body like a threat, or a flatness underneath everything you can’t quite locate, what you’re feeling has a name. It’s not weakness. It’s not a character flaw. It’s your nervous system responding to what it learned, in childhood, in a past relationship, in a period of your life that looked fine on paper and felt like survival in private. If you’ve been wondering whether what you experienced qualifies as betrayal trauma, or whether your exhaustion has roots deeper than your schedule, this is the accessible introduction to why that happens and what real healing can look like.
What Is the Actual Relationship Between Trauma and the Nervous System?
When most people think about trauma, they think about memory. The flashback. The nightmare. The intrusive thought. Those are real. But the field has shifted. Trauma isn’t primarily a problem of memory. It’s a problem of the body.
DEFINITIONTRAUMA
What happens inside the nervous system when an experience overwhelms its capacity to process and integrate it. Bessel van der Kolk, MD, psychiatrist and trauma researcher at Boston University School of Medicine and author of The Body Keeps the Score, argues that unresolved trauma isn’t stored as a coherent narrative but as sensory fragments, muscle tension, and nervous system states that activate involuntarily, often years after the original event.
In plain terms: Trauma is not only what you remember. It’s what your body still carries: the startle response, the tight throat, the sudden flatness in the middle of an ordinary afternoon. The body holds what the mind has already moved on from.
I keep coming back to a specific way van der Kolk puts this: your nervous system is your body’s command center for survival, and it’s always asking one question, am I safe right now, resting, connecting, digesting, and healing when the answer is yes, mobilizing for protection when the answer is no. This system is ancient, and extraordinarily good at its job. The problem isn’t the system. It’s when the system gets stuck in threat mode long after the threat has passed.
For women who grew up in homes where emotional safety was unpredictable, where a parent’s mood could shift the entire atmosphere of a room, or where love felt conditional on performance, the nervous system had good reason to stay alert. You weren’t imagining it. The danger was real. The problem is that your body never got the memo that things have changed. The good news, and this matters, is that the nervous system isn’t fixed. It’s adaptive. It learned, and it can keep learning. Healing isn’t about erasing what happened. It’s about teaching the nervous system that it’s safe to land, a process closely tied to what I write about in co-regulation and to the recovery work I describe in my guide to complex PTSD.
What Does the Research Say About How the Nervous System Holds Threat?
Two researchers have done more to shape how clinicians understand trauma and the nervous system than perhaps anyone else working in the field today. I recently reread Stephen Porges, PhD’s original papers from the 1990s, the ones laying out what would become Polyvagal Theory, and what struck me wasn’t the complexity. It was how precisely he named something I’d been watching in session for years without having quite the language for it.
Porges identified three distinct nervous system states: social engagement, when we feel safe and connected; a mobilized threat-response state, fight or flight; and an immobilized shutdown state, freeze or collapse. Not chosen, the nervous system drops into these states automatically, based on cues of safety and danger it detects from the environment, often without conscious awareness, through a process he called neuroception, the body’s unconscious surveillance system constantly monitoring for threat below the level of conscious thought.
DEFINITIONAUTONOMIC NERVOUS SYSTEM
The body’s automatic regulatory network, controlling functions like heart rate, digestion, and stress response without conscious input. Stephen Porges, PhD, Distinguished University Scientist at the Kinsey Institute, Indiana University Bloomington, and creator of Polyvagal Theory, identified three distinct neural circuits within the autonomic nervous system that determine how we respond to perceived threat. In a 2025 retrospective on his own body of work, Porges revisited these findings and reaffirmed the central role of neuroception in shaping them (Porges, 2025).
In plain terms: Your body has a built-in alarm system that runs around the clock without you thinking about it. When trauma has rewired that system, your body keeps reacting to danger that isn’t there anymore. That’s not a character flaw. It’s neurobiology.
What this means in practice: you don’t always choose to shut down, freeze, or snap. Sometimes your nervous system decides before your conscious mind finishes processing what’s happening, which removes a layer of shame from so many of the women I work with, because you weren’t overreacting. Your body was doing its job with the information it had.
Bessel van der Kolk, MD, spent decades documenting how trauma reorganizes the brain and body. Traumatic memories aren’t stored like regular memories. Instead, they’re encoded in the sensory and emotional systems rather than in the narrative, verbal parts of the brain, which is why people who’ve experienced trauma often can’t simply talk themselves out of their responses. The body holds what words can’t reach. That’s part of why somatic therapy and EMDR tend to reach what talk therapy alone cannot. Porges and van der Kolk point toward the same core insight: healing trauma requires working with the body, not only the mind.
DEFINITIONNEUROCEPTION
A term coined by Stephen Porges, PhD, referring to the nervous system’s subconscious process of detecting cues of safety or threat in the environment, operating beneath conscious awareness, before the thinking brain has evaluated the situation. In trauma survivors, neuroception is often calibrated toward danger, meaning the body reads neutral or even positive experiences through a threat lens.
In plain terms: You don’t decide to feel unsafe. Your body decides, faster than thought, based on patterns it learned from the past. That’s why logic doesn’t always calm a panic response. Your nervous system isn’t listening to your reasoning brain in that moment.
None of this is abstract theory. Researchers have measured it directly. Morning cortisol tends to run lower in people with PTSD than in controls (g = -0.21), and the same pattern holds across a full 24-hour cycle (g = -0.31) (PMID: 30790632), daily cortisol output is measurably lower in people with PTSD than in those without trauma histories (d = -0.36) (PMID: 22459791), and childhood adversity predicts higher hair cortisol and afternoon cortisol years later (PMID: 40157436), a body’s chemistry, still organized around danger that ended a long time ago.
What Do Fight, Flight, Freeze, and Fawn Actually Look Like in a Driven Woman’s Week?
Most people have heard of fight or flight. Fewer people know about freeze. Almost no one talks about fawn. But all four survival responses show up consistently in the driven women I work with, and understanding them is one of the most clarifying things I can offer.
Fight doesn’t always look like aggression. In driven women, it often shows up as perfectionism, control, hypervigilance, a way of fighting circumstances rather than people, the possibility of things going wrong, the feeling that you might not be enough.
Flight can look like over-scheduling. Staying busy enough that nothing uncomfortable gets room to surface, not because you want the extra commitments but because stillness feels unsafe. Ivana runs a boutique architecture firm, eleven people, three active builds, and she came to me because she couldn’t sleep. Not from anxiety exactly. The moment she got into bed and stopped moving, her body would start doing something she could only describe as humming, a vibrating alertness that made rest impossible. She’d tried a weighted blanket, a sleep tracker ring, melatonin in doses that would sedate someone twice her size. Nothing worked, because none of it addressed what was actually happening. Her nervous system didn’t know how to shift out of a mobilized threat state that had been its default for most of her adult life. The humming wasn’t insomnia. It was fight-or-flight, with nowhere to go.
Freeze is the one that surprises people most. The sudden inability to respond. The blank stare. Forgetting what you were about to say mid-sentence. It can show up as the shutdown after conflict, the three-hour nap after a hard conversation, the dissociation of watching your own life from a slight distance. For many of the women I work with, freeze is tied to childhood emotional neglect, the body’s response to an environment where expressing distress wasn’t safe.
Fawn is the survival strategy that looks the most like virtue. Compulsive people-pleasing. Difficulty saying no. A hyperawareness of other people’s moods that runs so constantly you stopped noticing you were doing it. Fawn learned that the safest move was making the people around you comfortable, and it keeps doing that even when you’re the one who needs something.
None of these are character flaws. They’re intelligent adaptations that kept you functional, sometimes even impressive, when more direct responses weren’t available, and the difficulty is they don’t switch off automatically when circumstances change. That’s what trauma-informed therapy addresses.
Why Did It Take Until Her Forties for Her Body to Start Sounding the Alarm?
Michal grew up the middle of three daughters in a house where her father’s mood set the temperature for everyone in it. Nothing about her childhood would show up on paper as remarkable. No single dramatic event. Just a low, constant weather system of not knowing, each morning, whether the house would feel safe by dinner. “I got very good at reading the room before I even had the words for what I was doing,” she told me. “By ten, I could walk in and know, in about four seconds, whether it was a good night or a bad one.”
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“My mother used to say I was the easy one,” she said, turning her coffee cup slowly on the table between us. “I thought that was a compliment for thirty years.”
Thirty years.
What she hadn’t tracked, until the closing call, was where all that early scanning had actually gone. It didn’t dissolve just because she grew up and built a career on top of it. It got encoded, the way van der Kolk describes, into a nervous system that learned early: stay alert, read the room, get ahead of the mood before it lands on you. That system worked. It also never learned that the war was over.
“I felt a Cleaving in my Mind. As if my Brain had split. I tried to match it. Seam by Seam. But could not make them fit.”
EMILY DICKINSON, Poem 867, written circa 1864
Here’s the pattern I’ve come to expect in women like Michal. The nervous system doesn’t stay quiet forever, and it rarely resurfaces gently. It waits. It waits for a moment that feels small enough to test safely, something like a disputed redline rather than an actual courtroom disaster, and then it comes through loud enough that there’s no ignoring it. Michal’s underwater feeling wasn’t proportional to a buzzing phone. It was proportional to three decades of reading a room for signs of danger that, on that particular Thursday, genuinely wasn’t there.
Both/And: Your Nervous System Isn’t Broken. It Learned.
One of the most important reframes I offer the women I work with is this: your nervous system is not broken, it’s working exactly as designed, and the problem isn’t the design. It’s outdated information.
If you spent the first decade or two of your life in an environment where unpredictability was normal, where a parent’s anger could erupt without warning, your nervous system made a logical calculation. Stay ready. Staying ready looked like hypervigilance, scanning for threat, never fully relaxing, an acute sensitivity to shifts in other people’s moods, the freeze response becoming your default when situations felt unmanageable.
Those adaptations were intelligent. The right response to the environment you were actually in. The difficulty is your nervous system generalized from that one environment to all environments, drawing conclusions about how the world works from a sample size of one family, and it’s been applying those conclusions ever since.
This is where the both/and framing matters. Both, your nervous system learned something adaptive and intelligent. And, what it learned is no longer accurate. Both, the dysregulation is a completely understandable response to what happened. And, you’re not stuck with it.
Ivana came to this reframe from a different angle. “I thought the humming meant I was failing at something,” she said. “Like if I just tried harder, meditated better, I’d fix it.” I told her that the humming was never a failure on her part. It was a mobilized nervous system doing exactly what mobilized nervous systems do, waiting for a signal that it was finally safe to stand down. Her body wasn’t malfunctioning. It was still running a program written for a much less safe chapter of her life.
I see this clearly in the work I do around complex PTSD and relational trauma. The women who make the deepest progress aren’t the ones who fight their nervous systems into submission. That approach just adds a new layer of vigilance. They’re the ones who learn to bring curiosity to their body’s responses, understand what those responses were trying to protect, and gently, over time, with support, introduce new information that lets the system recalibrate. Your body isn’t the enemy. It’s a scared, loyal protector who never got the memo that the danger passed. Part of healing is delivering that memo, slowly, through experience rather than argument.
The Systemic Lens: What Wears On a Nervous System That Was Never Supposed to Rest?
When we talk about nervous system dysregulation, it’s tempting to treat it as a purely individual problem, something that happened to your particular brain, in your particular family, and is now your particular responsibility to fix. Personal healing work is absolutely part of the picture. But the conditions creating nervous system dysregulation on this scale are not random. They’re patterned, following lines of gender, class, race, and systemic power in ways that deserve to be named.
Women, particularly driven women in high-performance environments, are expected to carry an enormous amount without showing it. The professional world rewards emotional regulation while creating conditions that make regulation harder: manage your own distress, manage your team’s distress, present calmly, then go home and manage the household’s emotional field too. The chronic hyperarousal this creates isn’t weakness. It’s the predictable neurobiological consequence of sustained, impossible demands, the kind that shows up as a founder taking a call in a parking lot so her voice doesn’t carry a tremor into the room.
For women of color working in predominantly white professional environments, the nervous system load is compounded by racial hypervigilance, the constant background processing required to assess threat cues in environments where bias is often subtle but real. Monnica Williams, PhD, licensed psychologist and Canada Research Chair in Mental Health Disparities at the University of Ottawa, has documented how racial trauma creates nervous system responses that mirror other forms of complex PTSD: chronic hyperarousal, hypervigilance, stress responses that don’t turn off between exposures.
For women who grew up in economic precarity, the nervous system learned that stability is fragile, that staying alert is the only way to stay ahead of the next disruption. The driven woman who grew up poor and is now professionally successful often carries that calibration into rooms where, by every external measure, she’s safe.
None of this is to say your healing isn’t yours to do. It is. But it matters that we name the context in which your nervous system developed its patterns. The goal of trauma-informed therapy isn’t to help you become a more compliant version of yourself within systems designed to keep you working harder. It’s to help you access the full range of your own internal resources, on your own terms, so you can choose rather than react in every situation you face. Understanding that your patterns emerged from intelligent adaptation to real structural conditions, not personal deficiency, gives the self-blame a little less to stand on. That is not a small thing.
What Actually Helps a Traumatized Nervous System Heal?
The most important thing I want you to know before I talk about specific approaches: healing a traumatized nervous system isn’t about willpower or trying harder. It’s about providing the nervous system with consistent, repeated experiences of safety until safety becomes the default rather than the exception. Here’s what the research supports and what I see making a real difference in my practice.
Somatic approaches. Somatic therapy works directly with the body, breath, movement, posture, physical sensation, to help the nervous system discharge activation and find its way back to a regulated state. Techniques from Somatic Experiencing, developed by Peter Levine, PhD, psychologist and trauma specialist and author of Waking the Tiger, are specifically designed to help the body complete survival responses that got interrupted during the original traumatic experience. This is different from talking about what happened. It’s working with what’s still happening in the body.
EMDR. Eye Movement Desensitization and Reprocessing, developed by Francine Shapiro, PhD, psychologist and researcher at the EMDR Institute, is one of the most evidence-based trauma treatments available (PMID: 11748594). It works bilaterally, using left-right eye movements or taps, to help the brain process and integrate traumatic memories in a way that talk therapy alone often can’t achieve. You can read more about it in the complete EMDR guide on this site.
Relational safety. The nervous system heals primarily in relationship, because it was often wounded in relationship. A therapist who maintains a consistently safe, attuned relational field gives your nervous system a new experience to learn from, not just new information. You can’t think your way to a regulated nervous system. You experience your way there.
Polyvagal-informed practices. Understanding Porges’ framework, even just the basics of which state your nervous system is in right now and what it needs to move toward greater regulation, gives you a map for your own inner experience. Many of the women I work with find that simply being able to name what’s happening, I’m in shutdown right now, this is freeze, not laziness, reduces the secondary shame that compounds the original dysregulation. Deb Dana, LCSW, clinician and consultant and author of Anchored, has translated Porges’ research into accessible, practical language for both therapists and the general public, and her work is often what I hand clients first.
Community and co-regulation. One of the strongest regulators of the nervous system is another regulated nervous system. When you spend time with people who are genuinely calm, not performing calm but inhabiting it, your nervous system takes notes. This is co-regulation, part of how the social engagement system, which Porges identified as the most recent evolutionary layer of the autonomic nervous system, does its work. Isolation makes dysregulation worse, which isn’t always convenient to hear.
Professional support. The practices above aren’t sufficient substitutes for working with a trained trauma therapist. They’re complements. Ivana’s sleep didn’t change because she found the right app. It changed slowly, over months of somatic work paired with relational safety in session. If you’re wondering whether working with me, or executive coaching, might be the better fit, I’d encourage you to reach out.
How Do You Know If What You’re Carrying Is Dysregulation Rather Than Just Stress?
This is a question I hear constantly, usually from women who’ve spent years telling themselves it’s just stress, just a busy season, just how things are right now. A few signals separate ordinary stress from a nervous system stuck in survival mode: ordinary stress fluctuates with circumstances and eases when the circumstance resolves, while dysregulation persists even when, by every external measure, things are fine, showing up as a body that can’t settle in a quiet room, exhaustion that sleep doesn’t touch, a startle response to sounds that wouldn’t register for most people, an inability to name what you’re feeling even though something clearly is happening underneath.
The path toward nervous system healing isn’t linear. There will be days when you feel like you’ve gone backward, days when a trigger lands harder than you expected, and days when the progress you thought you’d made seems to have quietly vanished overnight. That’s not regression. That’s the non-linear nature of how nervous systems learn. The trajectory, over time, with the right support, is toward more regulation, more choice, more capacity to be present in your own life. And that is worth working toward.
You didn’t choose the nervous system you developed. But you get to choose what you do with it now. I genuinely believe, based on everything the research shows and everything I’ve witnessed in this work, that the nervous system’s capacity to heal is at least as remarkable as its capacity to protect. If you’re ready to take a step, start with the free quiz to identify which childhood wound pattern might be driving your current default state, or reach out directly if you’d like to talk about what working together might look like. You don’t have to understand everything before you begin. You just have to be willing to begin.
What Does It Mean That Your Body Was Trying to Protect You All Along?
Michal is four months into this work now. A few weeks ago, a different colleague raised her voice over something small, almost identical in tone to the redline call, and Michal noticed the same underwater feeling start to rise. This time she named it silently, mid-call: there it is, the old alarm, right on schedule. She didn’t disappear into the feeling. She finished the call, and told me about it two days later with something closer to curiosity than shame.
“I keep waiting for it to feel dramatic,” she said. “Like there’s a movie moment where the nervous system finally calms down and everything shifts. It’s not like that. It’s more like I just stopped being surprised by my own body.”
That’s an honest description of what this healing tends to look like in a real, ongoing life. Not a single cathartic scene. A slow, repeated practice of recognizing the alarm before it takes over, and offering your body new information instead of managing around the old program.
You were never broken for having a nervous system that learned to stay alert. You were a person who adapted, early and reasonably, to an environment that required it. The underwater feeling in the conference room, the humming that wouldn’t let Ivana sleep, the freeze that shows up mid-sentence, none of it was ever the problem. It was information, arriving late, from a body that never stopped trying to keep you safe. It was just waiting for you to stop being afraid of it.
Warmly, Annie.
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Trauma reorganizes the body’s threat-detection system, leaving the autonomic nervous system calibrated for danger that has already passed, which is why certain sounds, tones, or situations can produce a physical response disproportionate to the present moment.
Stephen Porges’ Polyvagal Theory identifies three nervous system states, social engagement, mobilized threat response, and immobilized shutdown, that the body drops into automatically through a process he calls neuroception.
Fight, flight, freeze, and fawn all show up in driven women, often disguised as perfectionism, over-scheduling, dissociation, or compulsive people-pleasing rather than obvious distress.
Healing a traumatized nervous system isn’t about willpower. It requires consistent, repeated experiences of safety, delivered through the body and through relationship, until safety becomes the default state.
The conditions that create nervous system dysregulation follow patterns of gender, race, and economic precarity. Understanding that context doesn’t replace personal healing work, but it removes a layer of unearned self-blame.
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Q: What does nervous system dysregulation actually mean?
A: Nervous system dysregulation means your autonomic nervous system, the part of your body running stress response, heart rate, and threat detection, spends a disproportionate amount of time in activated or shutdown states rather than the regulated state where healing happens. After trauma, this can become a chronic baseline. It’s not a character flaw. It’s a nervous system that learned to stay ready.
Q: Can I heal my nervous system without therapy?
A: Practices like breathwork, somatic movement, time outdoors, and community support can genuinely support regulation, and I’d encourage all of them. But they work best as complements, not replacements, for working with a trained trauma therapist, since the nervous system heals primarily in relationship, often where it was wounded.
Q: What’s the difference between PTSD and complex PTSD, and how does each affect the nervous system?
A: Classic PTSD typically develops after a discrete traumatic event, while complex PTSD develops from prolonged, repeated trauma, often in relationships where escape wasn’t possible. With PTSD, dysregulation tends to cluster around specific triggers. With complex PTSD, it’s often more pervasive, a chronic baseline touching most of life.
Q: I function really well at work. Could I still have nervous system trauma responses?
A: Yes, and this is one of the most common presentations I work with. Functioning well externally and carrying real internal dysregulation aren’t mutually exclusive. For many driven women, high performance is partly fueled by the same activation that’s also causing suffering, the same hypervigilance that keeps you scanning for threats also keeps you ahead of problems at work.
Q: How long does it take to heal a traumatized nervous system?
A: There’s no single honest answer, because it depends on the nature and duration of the trauma, your relational support, and how much work you’re able to do between sessions. What I consistently see is that with consistent support, people move genuinely toward more regulation over time. It’s not fast. But it’s real.
Q: What’s the fawn response, and why do I keep people-pleasing even when I know it’s not serving me?
A: The fawn response is a survival strategy that learned, early on, that the safest way to manage threat was to make the threatening person comfortable. It’s common in people who grew up with unpredictable or volatile caregivers, where the safest move was to become hyper-attuned to the adult’s needs. As an adult, that shows up as compulsive people-pleasing and difficulty saying no. Knowing intellectually that it doesn’t serve you isn’t enough to override it, because it’s a nervous system pattern, not a thinking pattern.
Further Reading on Trauma and the Nervous System
van der Kolk, Bessel. The Body Keeps the Score: Brain, Mind, and Body in the Healing of Trauma. Viking, 2014.
Porges, Stephen W. The Polyvagal Theory: Neurophysiological Foundations of Emotions, Attachment, Communication, and Self-Regulation. W. W. Norton & Company, 2011.
Levine, Peter A. Waking the Tiger: Healing Trauma. North Atlantic Books, 1997.
Dana, Deb. Anchored: How to Befriend Your Nervous System Using Polyvagal Theory. Sounds True, 2021.
Herman, Judith. Trauma and Recovery: The Aftermath of Violence, From Domestic Abuse to Political Terror. Basic Books, 1992.
References
Peer-Reviewed Research
Morning and 24-hour cortisol differences in PTSD versus controls. PMID: 30790632
Daily cortisol output in PTSD versus no-trauma controls. PMID: 22459791
Hair cortisol and afternoon cortisol associations with childhood adversity. PMID: 40157436
Porges, S. W. (2025). Polyvagal theory: a journey from physiological observation to neural innervation and clinical insight. PMID: 41035859
Porges, S. W. New insights into adaptive reactions of the autonomic nervous system. PMID: 19376991
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Annie Wright is a licensed psychotherapist (LMFT #95719) and trauma-informed executive coach with over 15,000 clinical hours. She works with driven women, including Silicon Valley leaders, physicians, and entrepreneurs, in repairing the psychological foundations beneath their impressive lives. Annie is the founder and former CEO of Evergreen Counseling, a multimillion-dollar trauma-informed therapy center she built, scaled, and successfully exited. A regular contributor to Psychology Today, her expert commentary has appeared in Forbes, Business Insider, Inc., NBC, and The Information. She is currently writing her first book with W.W. Norton.
Signs of nervous system dysregulation can include chronic anxiety or feeling "on edge," difficulty sleeping or staying asleep, feeling easily overwhelmed by stress, emotional reactions that seem disproportionate to situations, chronic fatigue or feeling "wired and tired," difficulty concentrating or making decisions, physical symptoms like headaches or digestive issues without clear medical causes, and feeling disconnected from your body or emotions. You might also notice that you cycle between feeling anxious and activated to feeling numb and shut down, or that you have difficulty relaxing even when you're in safe situations.
Nervous system dysregulation can absolutely be healed, though it takes time and the right support. Your nervous system has neuroplasticity - the ability to form new neural pathways and learn new patterns of response throughout your life. With appropriate therapy, regulation practices, lifestyle changes, and sometimes medication, people can learn to regulate their nervous systems and develop resilience. While you may always have some sensitivity to stress, you can develop the skills and awareness to manage your nervous system health effectively.
A normal stress response is proportionate to the current situation and resolves once the stressor is gone. Being triggered involves your nervous system responding to a current situation as if it were a past trauma, often with an intensity that seems disproportionate to what's actually happening. Triggers can cause you to feel like you're back in the traumatic situation, even when you're actually safe. The key difference is that triggered responses are based on past experiences rather than current reality, and they often involve fight, flight, freeze, or collapse responses that feel automatic and difficult to control.
This experience, sometimes called "relaxation-induced anxiety," happens because your nervous system has learned that being alert and vigilant is necessary for safety. When you try to relax, your nervous system might interpret this as dangerous because it's not scanning for threats. This is why stillness feels like falling and the neurobiology of rest resistance can be so challenging for trauma survivors. The key is to start with very gentle, brief periods of relaxation and gradually build your tolerance for calm states while reassuring your nervous system that it's safe to rest.
The timeline for healing varies greatly depending on factors like the type and severity of trauma, how long the dysregulation has been present, your support system, access to appropriate treatment, and your own resilience factors. Some people notice improvements within weeks or months of starting appropriate treatment, while others may need years of consistent work. Healing typically happens in waves rather than linear progress, with periods of improvement followed by plateaus or temporary setbacks. The important thing is to focus on progress rather than perfection and to be patient with your unique healing timeline.
While therapy can be incredibly helpful, especially for complex trauma, there are many things you can do on your own to support nervous system healing. These include practicing breathing techniques, engaging in regular exercise, developing mindfulness practices, creating safety and predictability in your environment, building supportive relationships, and learning about trauma and nervous system regulation. However, if you're dealing with severe symptoms, complex trauma, or if self-help approaches aren't sufficient, professional support can be crucial for healing.
PTSD is a specific mental health diagnosis with particular criteria, including exposure to trauma, intrusive symptoms (like flashbacks), avoidance behaviors, negative changes in thoughts and mood, and changes in arousal and reactivity. Nervous system dysregulation is a broader concept that describes how trauma affects your autonomic nervous system's ability to regulate between calm, activated, and shutdown states. You can have nervous system dysregulation without meeting the full criteria for PTSD, and PTSD always involves nervous system dysregulation. Many trauma survivors have nervous system symptoms that don't fit neatly into PTSD criteria but still significantly impact their lives.
Trauma affects your entire nervous system, which controls many of your body's functions. When your nervous system is dysregulated due to emotional or psychological trauma, it can create very real physical symptoms. Your brain doesn't distinguish between physical and emotional threats - both activate the same stress response systems. Additionally, chronic stress from trauma can contribute to inflammation, immune system dysfunction, and other physical health issues. These symptoms aren't "all in your head" - they're legitimate physical manifestations of how trauma has affected your nervous system.
You might explain that trauma affects the body's alarm system, making it go off even when there's no real danger, or that it's like having a smoke detector that's too sensitive and goes off when you burn toast. You could compare it to how your body might react to a loud noise by jumping, even when you know it's safe - trauma can make your whole nervous system react that way to things that remind it of past danger. Emphasize that it's not something you can just "get over" or control with willpower, but that there are effective treatments and strategies that can help. You might also share educational resources or invite them to a therapy session if appropriate.
Yes, children's nervous systems can definitely be affected by trauma, and in some ways they're more vulnerable because their nervous systems are still developing. Children's brains are more plastic, which means they can be more easily shaped by traumatic experiences, but also that they have greater capacity for healing with the right support. Children might show nervous system dysregulation through behaviors like difficulty sleeping, frequent meltdowns, regression in development, difficulty concentrating, or physical symptoms. The good news is that children often respond very well to trauma treatment, especially when their caregivers are also supported in understanding and responding to their needs.
Sleep is crucial for nervous system regulation and trauma healing. During sleep, your brain processes emotions and memories, your nervous system resets, and your body repairs itself. Trauma often disrupts sleep through hypervigilance, nightmares, or racing thoughts. Poor sleep then makes it harder for your nervous system to regulate during the day, creating a cycle where trauma affects sleep and poor sleep worsens trauma symptoms. Improving sleep hygiene, creating a safe sleep environment, and addressing trauma-related sleep disturbances can significantly support nervous system healing.
Exercise and movement help complete the stress response cycle that trauma can interrupt. When you're in fight or flight mode, your body is prepared for physical action, and movement helps discharge that energy. Exercise also releases endorphins, reduces stress hormones, and can help regulate your nervous system. Different types of movement can have different effects - gentle movement like yoga might help activate your parasympathetic nervous system, while more vigorous exercise might help discharge sympathetic activation. The key is finding movement that feels good in your body and doesn't push you beyond your window of tolerance.
Co-regulation is the process of regulating your nervous system through connection with others who are calm and regulated. It happens naturally when you're around someone whose nervous system is in a balanced state - their regulation can help your nervous system settle and find balance. This is why being around certain people feels calming while being around others feels draining or activating. Co-regulation is how we first learn to regulate as infants through our caregivers, and it remains important throughout life. Seeking relationships with regulated people and eventually becoming a co-regulating presence for others is an important part of healing.
Medication can be helpful for managing symptoms of nervous system dysregulation, such as anxiety, depression, sleep disturbances, or hypervigilance. Medications like antidepressants, anti-anxiety medications, or sleep aids can help stabilize your nervous system enough to engage in therapy and other healing work. However, medication typically works best when combined with therapy and other approaches that address the underlying trauma. Some people find medication very helpful, while others prefer non-medication approaches. The decision should be made in consultation with a qualified healthcare provider who understands trauma.
Look for therapists who have specific training in trauma treatment approaches like EMDR, Somatic Experiencing, or other body-based therapies. They should understand how trauma affects the nervous system, not just thoughts and behaviors. Good trauma therapists will help you feel safe and regulated in sessions, will go at your pace rather than pushing you to talk about trauma before you're ready, and will understand that healing happens through the body as well as the mind. They should be able to explain how trauma affects the nervous system and help you develop regulation skills alongside processing traumatic experiences.
Acute trauma typically results from a single incident and may cause temporary nervous system dysregulation that can heal with appropriate support. Complex trauma results from repeated or prolonged traumatic experiences, often in childhood, and tends to cause more pervasive and long-lasting nervous system dysregulation. Complex trauma often affects your basic sense of safety in the world, your ability to regulate emotions, and your capacity for relationships. It may require longer-term treatment that focuses on building regulation skills and addressing attachment issues alongside processing traumatic experiences.
Yes, nervous system dysregulation can significantly impact your ability to function in work and daily life. You might have difficulty concentrating, making decisions, or managing stress. You might feel exhausted from your nervous system being chronically activated, or you might feel disconnected and unmotivated if you're in a shutdown state. You might have difficulty with relationships, feel overwhelmed by normal responsibilities, or have physical symptoms that interfere with functioning. The good news is that as you heal your nervous system, your functioning typically improves significantly.
There are many discrete regulation techniques you can use in public settings. These include subtle breathing exercises (like extending your exhale), grounding techniques (like feeling your feet on the floor or pressing your hands together), brief mindfulness practices (like noticing five things you can see), or gentle movement (like stretching or walking). You can also excuse yourself to the bathroom for a few minutes of deeper breathing or grounding. The key is having a toolkit of techniques that you can use in different settings and practicing them regularly so they're available when you need them.
It's completely normal to feel overwhelmed when learning about trauma and nervous system effects - this information can be intense and may bring up difficult feelings. Take breaks from reading or learning about trauma, practice self-care and regulation techniques, focus on one small piece of information at a time rather than trying to understand everything at once, and remember that knowledge is power - understanding your nervous system gives you more choice in how you respond to stress. If you feel consistently overwhelmed, consider working with a therapist who can help you process this information at a manageable pace.
Healing is more challenging when you're still in stressful or unsafe situations, but it's not impossible. Focus on what you can control, even if it's small things like your breathing or brief moments of self-care. Develop safety plans and resources for crisis situations. Build support systems outside the stressful situation when possible. Practice regulation techniques that you can use discretely. Work toward changing your situation when it's safe and possible to do so. Remember that even small steps toward healing and self-care matter, and that your situation doesn't have to be perfect for healing to begin.
Progress in nervous system healing might include noticing your triggers without automatically reacting to them, feeling more choice in how you respond to stress, improved sleep or energy levels, better relationships and communication, increased ability to enjoy positive experiences, feeling more present in your body and daily life, and reduced intensity or frequency of trauma symptoms. Progress is often subtle and gradual, so keeping a journal or working with a therapist can help you recognize changes that might not be obvious day-to-day. Remember that healing isn't linear - you might have setbacks that don't mean you're not making progress overall.
Trauma and nervous system dysregulation can contribute to addiction in several ways. People might use substances to self-medicate symptoms like anxiety, depression, or hypervigilance. Substances might temporarily help regulate an dysregulated nervous system, providing relief from chronic activation or shutdown. Addiction can also be a way of avoiding or numbing difficult emotions and memories related to trauma. Additionally, the chronic stress of addiction can further dysregulate the nervous system, creating a cycle where addiction and nervous system dysregulation reinforce each other. Effective addiction treatment often needs to address underlying trauma and nervous system healing.
Yes, nervous system dysregulation can be transmitted across generations through several mechanisms. Parents with dysregulated nervous systems may have difficulty providing the consistent, attuned care that children need to develop healthy regulation. Children learn regulation partly through co-regulation with their caregivers, so they may learn dysregulated patterns. Additionally, emerging research suggests that trauma can create epigenetic changes that affect gene expression and may be passed down to future generations. However, healing your own nervous system can help break these cycles and create healthier patterns for future generations.
Learn about trauma and nervous system regulation so you can understand what they're experiencing. Practice your own nervous system regulation so you can be a co-regulating presence. Avoid trying to fix or rescue them, but offer consistent, patient support. Respect their boundaries and healing process, even if it's different from what you think they should do. Take care of your own wellbeing and seek support when you need it. Encourage professional help when appropriate, but don't pressure them. Remember that healing happens at their pace, not yours, and that your consistent, regulated presence is one of the most helpful things you can offer.
Nervous system activation is a normal physiological response to stress or perceived threat, while anxiety disorders involve persistent, excessive worry or fear that interferes with daily functioning. However, trauma can cause your nervous system to become chronically activated, which can look very similar to anxiety disorders. Many people with trauma histories are diagnosed with anxiety disorders when what they're actually experiencing is nervous system dysregulation from trauma. The treatment approaches can be different - anxiety disorders might be treated primarily with cognitive techniques, while trauma-related nervous system dysregulation often requires body-based approaches that work directly with the nervous system.
Yes, absolutely. Trauma can affect your nervous system even if you don't have clear memories of traumatic events. This is especially common with early childhood trauma, which may not be stored in explicit memory but can still affect your nervous system development. You might have nervous system symptoms like chronic anxiety, difficulty regulating emotions, or physical symptoms without clear memories of what caused them. Your body and nervous system remember even when your mind doesn't. Healing can still occur through working with your current nervous system patterns, even without detailed trauma memories.
During stressful periods, it's especially important to prioritize your regulation practices and self-care. Maintain routines that support your nervous system, like regular sleep, exercise, and regulation practices. Increase your use of regulation techniques during stressful times. Seek extra support from friends, family, or professionals. Be gentle with yourself and lower your expectations for what you can accomplish. Focus on what you can control rather than what you can't. Remember that it's normal for your nervous system to be more reactive during stressful periods, and that this doesn't mean you're not healing or that you're going backward.
Nutrition plays an important role in nervous system health. Stable blood sugar levels support nervous system regulation, so eating regular, balanced meals is important. Certain nutrients like omega-3 fatty acids, magnesium, and B vitamins support nervous system function. Limiting caffeine and alcohol can help with regulation, as both can affect your nervous system's ability to maintain balance. Some people find that certain foods trigger nervous system responses, possibly due to food sensitivities or associations with traumatic experiences. Working with a nutritionist who understands trauma can be helpful for developing an eating plan that supports your nervous system healing.
Yes, creative activities can be very helpful for nervous system regulation and trauma healing. Art, music, dance, writing, and other creative expressions can help process emotions and experiences that are difficult to put into words. Creative activities can help you access and express parts of your experience that might be stored in non-verbal parts of your brain. They can also be regulating and soothing, helping activate your parasympathetic nervous system. Many people find that creative expression helps them feel more connected to themselves and provides a sense of agency and empowerment. Art therapy and other creative therapies are recognized trauma treatment approaches.
You might be ready to help others when you have sufficient stability in your own healing, can maintain appropriate boundaries without taking on others' emotions, aren't triggered by others' trauma stories, have your own support system in place, and are motivated by genuine desire to help rather than your own unmet needs. Consider getting proper training if you want to help others professionally. Start small with informal support or mentoring. Always prioritize your own continued healing and self-care. Remember that your healing journey itself can be helpful to others, even if you're not formally helping them - you model what healing looks like and can offer hope to others who are struggling.
Annie Wright, LMFT
Annie Wright is a licensed psychotherapist and relational trauma recovery specialist with over 15,000 clinical hours.
She helps driven women whose impressive lives don’t feel as good as they look, women who have used success as a shield but still struggle internally with anxiety, burnout, or relational pain. As the founder of a thriving therapy center she built, scaled, and sold, Annie now coaches and consults with women leaders, entrepreneurs, and professionals navigating identity shifts, leadership transitions, and the long arc of trauma recovery.
Her work has been featured in NPR, Forbes, Business Insider, and other national outlets. Annie blends deep clinical expertise with lived experience to help women build lives that are not only high-functioning, but deeply fulfilling.
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