The Polyvagal Ladder and the Dark Night of the Soul: Why Your Nervous System Isn’t Broken, It’s Adapting

EMOTIONAL REGULATION & NERVOUS SYSTEM • July 26, 2026

The Afternoon the Machine Stopped

The clock on Lois’s kitchen wall reads 3:17 p.m. It’s a Tuesday in late October, and the light coming through the blinds has gone thin and gray, the kind of light that makes a room look like it’s already given up on the day. Lois is on the couch, still in yesterday’s leggings, a cold mug of coffee sweating a ring onto the side table. She hasn’t moved in forty minutes.

Her phone is face down beside her. Fourteen unread Slack notifications. A calendar that hasn’t stopped since 2019. For ten years, Lois has run her mornings like a drill sergeant: five a.m. alarm, a run before the sun is fully up, back to back meetings that bleed into each other without a breath between them. Her body used to feel like a machine that never needed servicing. Today the machine has stalled, and no amount of willing it forward moves it an inch.

“I can’t even make my hand pick up the phone,” she tells me two days later, sitting across from me with her knees pulled up onto the chair, arms wrapped around them like she’s trying to hold herself together from the outside. “It’s not that I don’t want to. I physically can’t make my arm reach for it. And the scary part isn’t the tiredness. I’ve been tired before. This is different. This is like someone turned the volume all the way down on me.”

Sitting with Lois that first session, I felt the particular quiet that shows up in my office when a woman who has never once missed a deadline describes a body that has simply stopped answering. Not panic. Not despair, exactly. A kind of far away stillness, like she was narrating someone else’s collapse. What I’ve come to think of as the flatline moment is this exact thing: the instant when a nervous system that has been sprinting for a decade sits down on the pavement mid-stride, and nothing, not caffeine, not guilt, not the fourteen unread Slack messages, can make it stand back up on command.

I’ve written before about what burnout in driven women actually costs, and Lois’s flatline is a more extreme version of a pattern I see constantly: a woman who has spent a decade mistaking her nervous system’s warning signals for ordinary tiredness, right up until the warning signals stop being ignorable.

What Is the Polyvagal Ladder?

I recently reread Porges’ own account of how he arrived at this framework, and I haven’t been able to stop turning over one detail: he built the ladder metaphor to describe hierarchy, not morality. There’s no rung that’s “healthy” and no rung that’s “broken.” There’s only where your body has decided it needs to be right now, based on cues it’s reading faster than your conscious mind can track.

The polyvagal ladder describes three states arranged from top to bottom. At the top is the ventral vagal state, associated with feeling safe, socially connected, and able to think clearly. In the middle is the sympathetic state, the familiar fight-or-flight gear that mobilizes the body toward action when it detects danger. At the bottom is the dorsal vagal state, a shutdown mode that some researchers describe as the body’s last resort when neither fighting nor fleeing feels possible. Clinically, I find it more honest to say the ladder is a useful clinical heuristic for organizing what clients report feeling, not a settled map of the nervous system’s actual wiring, which is still being debated inside neuroscience itself.

What matters for our purposes, whether or not every mechanism Porges proposed holds up exactly as he described it, is that the pattern he named tracks with something I’ve watched for more than fifteen years across thousands of clinical hours: driven women rarely go straight from thriving to collapse. They pass through a long middle phase of always being “on,” and it’s that middle phase, not a single bad day, that sets up the eventual shutdown. I think of this ladder as one tool among several for understanding nervous system regulation and dysregulation broadly, not the final word on it.

The Neurobiology of the Dark Night

Deb Dana, LCSW, is the clinician who did more than almost anyone to translate Porges’ theory into something therapists could actually use in a session. What stayed with me in her writing was a phrase she uses for the lowest rung: she calls it the place where the body “conserves and protects,” a phrase I’ve borrowed in my own practice because it removes the shame from a state that so often gets read as laziness.

I want to name plainly what this section is and isn’t. It’s a working clinical model, one that helps me and a great many other trauma-informed clinicians make sense of what we’re seeing across thousands of sessions. It isn’t a settled account of exactly which neural pathways do what, and readers who go looking will find real, ongoing scientific debate about the specifics of vagal anatomy and function. I hold the framework loosely enough to update it and firmly enough to use it daily, which is, in my experience, about the right relationship to have with any clinical model still being tested.

Here’s the clinical picture as it’s currently understood, with the caveat that the deeper mechanisms are still being mapped. The vagus nerve, the longest cranial nerve in the body, runs from the brainstem down through the chest and abdomen, and it’s central to how the autonomic nervous system regulates heart rate, digestion, and breath. Under sustained or extreme stress, some clinicians describe the body as “dropping” into a dorsal vagal state, a shutdown that slows the heart, shallows the breath, and can produce a felt sense of numbness or disconnection from the body entirely.

Clinically, what this can look like is withdrawal, a slowed heart rate, muscles that go slack past the point of relaxation into something closer to immobility. Clients describe it to me as watching their own life from behind glass. It’s not indifference. Underneath the flatness there’s often a quiet, crushing kind of despair, the sense that the feeling is still there, just sealed somewhere the person can’t reach.

Importantly, this state doesn’t only affect mood. Clients report fog, forgetfulness, a sense that decision-making has simply gone offline. Sleep gets erratic. Appetite goes strange in one direction or the other. None of this, in my clinical experience, responds well to being pushed through. It responds to being met.

Dana’s phrase for the clinical work that follows is “renegotiating safety,” small, repeated cues, a steady voice, a slow exhale, a hand on a chest, that invite the nervous system to test whether it might be safe to come back online. It’s not fast. It’s also, in my experience, the only thing that actually works. This is the same territory I cover in more depth in my guide to self-soothing versus co-regulation, since the two aren’t interchangeable and driven women often reach for the wrong one under stress.

How Dorsal Vagal Shutdown Shows Up in Driven Women

Kaitlyn arrives eleven minutes late to our third session, which is unlike her. She’s carrying a stainless steel water bottle covered in stickers from half-marathons, and she sets it down on the table between us like it’s evidence of something. “I ran a 10K yesterday,” she says. “I don’t remember most of it. I just remember starting, and then I remember being back at my car.”

Kaitlyn is thirty-nine, a director at a healthcare logistics company, the kind of woman whose calendar looks like a Tetris board that never loses. She tells me she’s been waking up at 4 a.m. every night for three weeks, not with anxiety exactly, more with a strange, heavy blankness, like her body is bracing without her brain’s permission. “I keep thinking if I just push through this week, it’ll pass,” she says. “It’s always just one more week.”

I feel something tighten in my own chest listening to her describe it, that particular recognition that comes from having heard this exact sentence, in this exact tone, from dozens of women whose competence has quietly become the thing keeping them from noticing how depleted they are. Kaitlyn isn’t in crisis in any way her company’s HR department would flag. She is, by every external measure, thriving. And she’s also, by every internal measure she can name, running on a reserve tank that emptied out weeks ago.

What Kaitlyn doesn’t yet have language for is that her blankness at 4 a.m. isn’t a separate problem from her drive. It’s the drive’s shadow. The same nervous system that gets her through back to back client calls without visible strain is the one quietly logging every hour of unrecovered stress, and dorsal vagal shutdown, when it eventually arrives, tends to arrive precisely for women like Kaitlyn: women whose bodies have gotten extremely good at not showing the cost until the cost can no longer be hidden.

She leaves that session without an answer, just a homework assignment to notice, without judgment, the moments her body goes still during the day. I don’t know yet whether she’ll come back having noticed anything. That’s how this work goes. I think about her sometimes between appointments, the stainless steel water bottle on the table, the missing memory of a 10K she definitely ran. I’ve learned not to assume that silence between sessions means nothing happened. Sometimes it means the noticing is still quietly underway, out of view, on its own schedule.

What I see in women like Kaitlyn, and what I’ve written about in more detail elsewhere, is a specific version of the trauma connection underneath a driven woman’s success: a nervous system that learned early to earn safety through output, long before Kaitlyn’s job title existed, and that never got the memo that the strategy has an expiration date.

The Window of Tolerance and the Cost of Chronic Mobilization

Lois tells me, in our fourth session, that she used to think of her nervous system the way she thought about her calendar: something to be optimized. “I thought if I just got good enough at managing stress, I’d never hit a wall,” she says. “I didn’t know the wall was coming for me regardless.”

Here’s what the research keeps circling back to, and what I see in session nearly every week. Living in sympathetic mobilization for years at a stretch, the state Lois describes as “always on,” keeps the body’s stress response continuously triggered. Heart rate stays high. Muscles stay tense past the point of noticing. Think of it like a car idling at 4,000 RPM for a decade. It gets you places fast for a while. Eventually something in the engine gives.

Which means, in Lois’s actual Tuesday afternoon, that the collapse on her couch wasn’t a random malfunction. It was the predictable, almost mathematical outcome of a window of tolerance that had been shrinking for years while her calendar kept expanding. Chronic mobilization doesn’t announce itself. It just quietly narrows the space a person has to feel anything without tipping into overwhelm, until one ordinary Tuesday there’s no space left at all.

Recognizing where your own window sits is the first move, not the last one. It means noticing, the way I ask Lois to notice, the specific moment the jaw clenches or the breath goes shallow, well before the body decides the only option left is to shut the whole system down. For readers who want a longer walk through this specific skill, I’ve laid it out step by step in how to build a nervous system that can actually hold your life.

Both/And: Your Collapse Is a Biological Response AND It May Also Be an Invitation

By our sixth session, Lois has stopped apologizing for how long it’s taking her to feel like herself again. That’s new. “I keep waiting for the version of me that just gets back up,” she says, turning her mug of tea in slow circles on her knee. “But what if that version isn’t coming back the same way?”

Here’s what I hold with Lois, and with most driven women in this exact place: her collapse is, first and most concretely, biological. Stress hormones flooding a system for a decade. Sleep architecture disrupted. A vagus nerve doing exactly what an ancient, protective circuit is built to do when the cost of staying mobilized outpaces the benefit. That’s not a metaphor. That’s physiology.

And, at the same time, without contradiction, her collapse is also carrying something else. Not a mystical message from the universe. Something plainer and more useful: a forced pause long enough that Lois is, for the first time in a decade, actually present to ask what she wants her life to look like rather than what her calendar demands it look like. Both things are true. The body is protecting itself, and the stillness the protection creates has made room for a question Lois had no time to ask before.

Holding both truths at once is uncomfortable, because our culture wants a single explanation. Either you’re sick and need fixing, or you’re having a spiritual awakening and need to surrender to it. Lois doesn’t need to choose. She needs grounding exercises and steady sleep and a nervous system that gets to recalibrate at its own pace, and she also gets to ask, in the quiet that pause has created, what she’s been avoiding asking for ten years.

What Lois is starting to name, in her own words, is something I’ve come to think of with clients as the forced sabbath: the collapse the body imposes when the person never would’ve chosen rest on her own. It isn’t gentle. It rarely arrives on a convenient week. But it does, reliably, create the one thing a decade of ambition never made room for: unscheduled time to notice what’s actually true.

This isn’t resolved for Lois yet. She still has weeks where she wants her old drive back exactly as it was, undiminished, immediately. I don’t think that version is coming back unchanged, and I’ve told her so. What’s coming back instead, slowly, is a woman who’s starting to ask better questions than the ones her calendar used to ask for her. I see this same both/and pattern often enough in women whose burnout doesn’t resolve with rest alone that I no longer treat it as unusual. It’s closer to the norm.

The Systemic Lens: The Pathologizing of the Pause

In my work with clients, I keep running into the same cultural undertow: if you slow down, something must be wrong with you. This isn’t a fact about individual willpower. It’s a fact about the world these women were raised and rewarded inside, a world that treats output as the only legible measure of a person’s worth.

Think about the actual mechanics of a workplace that runs on this belief. There’s rarely a policy that says “rest is weakness.” There doesn’t need to be. The promotions go to the person who answers the 9 p.m. Slack message. The praise goes to the person who never mentions being tired. Over years, that reward structure trains a nervous system as effectively as any explicit rule could, and it does it quietly enough that most driven women can’t point to a single moment where they learned the lesson. They just know, in their body, that stopping feels dangerous.

The dominant script says: get back up, push harder, don’t let them see you struggle. Rarely does the script ask what the body actually needs, or whether a woman’s limits are worth honoring rather than overriding. That absence isn’t neutral. It’s a structural choice, made by workplaces, by families, by an entire attention economy that profits from people staying switched on, and it lands on individual women as if it were a personal failing rather than the predictable output of the system they’re operating inside.

What this actually costs, in a concrete Tuesday-afternoon sense, is a woman lying on her couch at 3:17 p.m. convinced that her inability to answer a Slack message is evidence of some deep personal defect, when the more accurate story is that she’s been operating inside a system that never built in a mechanism for stopping until the body forces one.

Reclaiming the pause, in my sessions, starts with a different question than the one the culture asks. Not “how do I get back to full speed,” but “what’s my body actually telling me, and what would it cost me to listen sooner next time.” That’s not a smaller question. It’s the harder one. I’ve watched this exact dynamic play out with women in fast-moving industries where slowing down reads as a career risk, and the pattern holds regardless of the field.

Where the Spiritual and the Biological Meet

“Dark night of the soul” is an old phrase, older than any neuroscience lab, and I want to be careful with it here. It comes from a sixteenth century Christian mystical text, and across centuries of use it has come to describe a period of severe spiritual desolation, a sense of absence or emptiness that precedes, for some people, a deeper reorientation of how they understand their life. I’m not a theologian, and this article isn’t making a claim about what that desolation means spiritually. What I can say, from the clinical side of the room, is that the phrase has stuck around this long because it names something real: a collapse that feels bigger than ordinary tiredness, one that seems to ask something of the person rather than simply happening to them.

I want to be equally careful about what I’m not saying. I’m not saying the polyvagal ladder explains away the spiritual weight of this kind of collapse, and I’m not saying the spiritual framing should replace the biological one. I’m saying both languages are trying to describe the same territory from different vantage points, and a driven woman going through this doesn’t need to pick a side. She needs her nervous system supported and she’s allowed to also sit with the bigger questions the stillness has made room for, without needing either language to win.

What I watch for, and what I’d ask any reader to watch for in themselves, is the difference between a grounded pause and a spiral. A dark night, in the sense I’m using it here, isn’t a permanent identity or a mystical diagnosis. It’s a season. If the numbness, the disconnection, or the sense that nothing matters stretches on for months without any shift, or if it comes with thoughts of self-harm, that’s no longer a season to sit with quietly. That’s a moment to bring in a licensed clinician, because the body’s protective shutdown, left unsupported for too long, can deepen into something that needs more than patience and grounding exercises.

I say this because I’ve watched the opposite mistake happen too, a woman treating a clinical depression as though it were purely a spiritual threshold to be patiently endured, declining support she actually needed because the language of “dark night” made the suffering feel purposeful rather than treatable. Purpose and treatment aren’t opposites. A collapse can be both worth sitting with and worth getting help for, often in the same week.

The most honest thing I can tell a driven woman in this place is that she doesn’t have to resolve, this week, whether her collapse means something or whether it’s simply biology working exactly as designed. Both readings can sit in the room together while her body does the slower work of coming back online. If you want a fuller picture of what that slower work can look like day to day, I’ve gathered some of what I recommend to clients in the resources I point driven women toward most often.

How to Work With Your Biology, Not Against It

In my work with clients, I watch driven women try to force themselves out of dorsal vagal shutdown by pushing harder, working longer, over-exercising, or simply ignoring the exhaustion entirely. It almost never works. It tends to backfire into sympathetic overdrive instead, trading numbness for anxiety, which isn’t actually progress. The aim isn’t to shock the system back on. It’s to coax it.

Think of your stress response less like a switch and more like a dial that moves between shutdown, rest, and alertness. Trying to force a system in shutdown to “snap out of it” is like flooring the gas pedal on a car that’s stalled. It doesn’t start the engine. It floods it.

Small, low-demand sensory input tends to work better than anything dramatic. Gentle stretching. A slow walk outside. Humming, which activates the vagus nerve through vibration in the throat. None of these ask much of the body. All of them send a quiet signal that it might be safe to come back online.

Something else I watch for in clients coming out of shutdown: the temptation to skip straight from collapse to full sprint, as if the body owes the calendar interest on the time it took off. This is where the rebound into sympathetic overdrive tends to happen. A woman feels one good day and books six meetings for the next, and the nervous system, which has no context for pacing, treats the sudden demand as another emergency. Coming back online works better in small, boring increments than in a single triumphant return.

Breath matters here too, but it needs a light touch. Fast, deep breathing can read to an already-taxed nervous system as more alarm, not less. A longer exhale than inhale, four counts in, six counts out, tends to calm the system without tipping it into fight-or-flight. Pairing that breath with something physical to hold onto, feet on the floor, a cool object in the hand, can deepen the effect.

Lois’s version of this, three months in, is smaller than she expected it to be. A ten minute walk before her first meeting. A hard stop on email after 7 p.m., which she still breaks most weeks, but less often than she used to. She hasn’t gotten her old pace back, and at this point she’s stopped trying to. “I used to think slowing down was losing,” she told me last week. “Now I think it’s just where the recovery actually happens.”

Building a daily rhythm, consistent sleep, regular low-key movement, meals that aren’t an afterthought, gives the nervous system a foundation it can trust. When the body knows roughly what to expect, it needs fewer alarms. Healing here isn’t linear. Some days the shutdown pulls back in. That’s not failure. It’s a body relearning a pace it forgot it was allowed to have.

Lois still has a couch, still has a clock on the kitchen wall that sometimes reads 3:17 p.m. on a Tuesday. The difference now is what she does when she catches herself there. She doesn’t reach immediately for her phone or her guilt. She sits for a minute, hand flat on her own chest, and lets her body finish whatever it’s doing before she asks it to do anything else. That’s not the woman who walked into my office that October. It’s someone slower, and, by her own report, considerably less afraid of her own stillness.

She told me recently that the stillness itself used to be the scary part, more than the exhaustion ever was. An empty afternoon with nothing scheduled felt, in her words, “like standing at the edge of something.” It doesn’t feel that way anymore, most weeks. Now it mostly just feels like an afternoon.

If any of what you’ve read here sounds like your own Tuesday afternoon, the first step isn’t a bigger overhaul. It’s noticing, the way I ask Lois to notice, the exact moment your body starts to go quiet, and treating that moment as information instead of an inconvenience.

Related Reading

• Porges, Stephen W. “Polyvagal Theory: Current Status, Clinical Applications, and Future Directions.” Clinical Neuropsychiatry 22, no. 3 (2025): 169-184 (PMID: 40735382). DOI: https://doi.org/10.36131/cnfioritieditore20250301
• Reisz, Samantha, Robbie Duschinsky, and Daniel J. Siegel. “Disorganized Attachment and Defense: Exploring John Bowlby’s Unpublished Reflections.” Attachment & Human Development 20, no. 2 (2018): 107-134 (PMID: 28952412). DOI: https://doi.org/10.1080/14616734.2017.1380055
• Dana, Deb. The Polyvagal Theory in Therapy: Engaging the Rhythm of Regulation. New York: W.W. Norton & Company, 2018.
• Porges, Stephen W. The Polyvagal Theory: Neurophysiological Foundations of Emotions, Attachment, Communication, and Self-Regulation. New York: W.W. Norton & Company, 2011.
• van der Kolk, Bessel. The Body Keeps the Score: Brain, Mind, and Body in the Healing of Trauma. New York: Viking, 2014.
• Levine, Peter A. Waking the Tiger: Healing Trauma. Berkeley: North Atlantic Books, 1997.

If any of this lands close to home and you’re ready for clinical support, you can connect with Annie’s team.

Warmly, Annie

About the Author

Annie Wright

LMFT  ·  Relational Trauma Specialist  ·  Author, W.W. Norton 2027

Helping driven women finally feel as good as their résumé looks.

As a licensed psychotherapist, trauma-informed executive coach, and relational trauma specialist with over 15,000 clinical hours, she guides 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, NBC News, and The Information. She’s currently writing her first book with W.W. Norton.

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