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Healing a dysregulated nervous system

Learn what nervous system dysregulation is, what causes it, and what can help, along with how to find a therapist covered by your insurance.

June 4, 2026

By Ryan DeCook, LCSW • Clinically reviewed by the Headway Clinical Team

6 min read

By Ryan DeCook, LCSW • Clinically reviewed by the Headway Clinical Team

More people are talking about it. More people are searching for it online. Type “nervous system dysregulation” into your task bar and you'll find countless articles and videos from a variety of sources.

Still, you may not be quite sure what those words mean — or why everyone is talking about them. At the same time, you might be experiencing symptoms that could be related to your nervous system. Yet with so many voices, it might feel overwhelming to sort through all of the information.

As a therapist who specializes in trauma and anxiety, I work with nervous system dysregulation every day. This article walks through what this term means, signs that it’s happening to you, what causes it, and what can help.

What is a dysregulated nervous system?

To understand dysregulation, it helps to first understand how the nervous system works: it's a complex network that regulates mood, monitors for threats, and responds to your environment. It's always working to return to a balanced, neutral state called homeostasis. Think of it like a gas pedal (the sympathetic nervous system) and brakes (the parasympathetic nervous system) working together. When it tips too far in either direction, it becomes dysregulated.

That can mean being overly active — the fight-or-flight response kicking in when you perceive a threat — or underactive, where the system slows down or shuts down to protect itself.

Nervous system dysregulation isn't a diagnosis you'd get from a doctor or therapist. It's a broad term for stress response patterns that keep happening in your body. While it gets thrown around loosely in wellness spaces, it's grounded in neuroscience and research, and it's commonly associated with PTSD, anxiety disorders, traumatic stress, and certain medical conditions.

What causes a dysregulated nervous system?

Dysregulation can happen for a number of different reasons:

  • Chronic stress or burnout: Prolonged stress can make it hard for the nervous system to regulate — and what many people describe as a nervous breakdown can be an extreme expression of this, leaving you feeling consistently wired, shut down, or cycling between both.
  • Trauma or adverse childhood experiences (ACEs): Adverse childhood experiences, or ACEs, are potentially harmful events that occur before age 18 — including abuse, neglect, household violence, or growing up with a caregiver struggling with mental illness or substance use. Repeated ACEs can condition the nervous system to remain on high alert.
  • Anxiety or mood disorders: If you're living with one of these conditions, your threat response is likely already more activated. This can make it harder for your nervous system to stay balanced. This can cause anxiety and depression to get worse, which can create a difficult cycle.
  • Sleep deprivation or chronic illness: Lack of sleep can increase the activation of the nervous system and make it hard to slow back down. It works both ways, however. Over time, chronic sleep deprivation can worsen nervous system dysregulation and related symptoms.
  • Major life transitions or ongoing uncertainty: Major life changes like job loss, death of a loved one, financial instability, or divorce can trigger dysregulation. Uncertainty can keep the body and brain in long states of being on edge because you cannot predict what is coming next.
  • Overstimulation from environment or lifestyle factors: An overstimulating or stress-creating environment can not only dysregulate your nervous system, but train it to respond that same way to future situations. Strong inputs like screentime, intense sensory experiences, and caffeine can make it hard for the nervous system to settle.

Signs and symptoms of dysregulated nervous systems

Dysregulation can look different depending on whether your nervous system is stuck in overactivation (too much gas) or underactivation (too much brakes). You might experience a mix of both.

Signs of an overactivated nervous system

  • Hypervigilance: You feel on edge and threatened. You are constantly scanning for danger and it’s hard to turn off. This can be related to physical sensations like racing heart and muscle tension.
  • Difficulty relaxing: When the nervous system is in a heightened state, it can interpret stillness or relaxation as unsafe — making rest genuinely difficult, even when there's no real threat. This is a protective response, not a character flaw.
  • Irritability: Part of self defense mechanisms, the fight-or-flight response can include anger and irritability. This can be related to the fight response of self protection. When you’re preoccupied with a potential threat, it can use up a lot of emotional resources and make it easier to be snappy with people.
  • Racing thoughts: Thoughts can run wild in a state of overactivation. Even if you want to stop, your mind wants to stay in threat scanning or problem solving mode. This can lead to worry or continuous fearful thoughts. 
  • Chronic muscle tension: Your body is bracing for a fight or running for your life. Your muscles are going to be tense and on guard. 
  • Trouble sleeping: With all of the scanning for danger and difficulty relaxing, it can be hard to sleep. It becomes difficult for your nervous system’s brakes to kick in and allow you to rest. 

Signs of an underactivated nervous system

  • Emotional numbness: It can be hard to feel emotions in this state. Feelings get dulled and it seems like it is hard to feel much of anything. This comes from the system being slowed or shut down, not from a lack of caring.
  • Fatigue: You may feel exhausted even after long periods of rest. You feel weighed down and tired. This can happen after periods of prolonged stress when the body goes into conservation mode. 
  • Difficulty concentrating: Your mind can be preoccupied with threat and there is less ability to focus or give attention to other things. It may feel like brain fog or feeling mentally slowed down. 
  • Disconnection from surroundings: You are feeling disconnected from other people or checked out from life. This can happen because you are trying to reduce stress and overwhelm. It can be part of what is called dissociation.  
  • Low motivation: When the system is more shut down, it can feel hard to be motivated. You may feel flat, withdrawn, or just unable to get going. Chronic stress can impact you by making it harder to have goal-oriented actions. 
  • Feeling "frozen": You may notice a drop in heart rate and tensing up. This is a preparation for action if it’s needed. In some cases, when it feels like you are unable to escape danger, you can become fully immobile and feel like you are unable to move. This is the system shutting down to protect itself from a threat it cannot escape.

Sometimes these experiences overlap with anxiety, depression, or trauma-related conditions. It can be helpful to get an assessment from a trained mental health professional to make sense of what is happening. 

How to heal a dysregulated nervous system

If you're wondering how to regulate your nervous system, research has identified several approaches that help it build more flexibility over time. These things can help guide you to make informed decisions as you seek care, but should not be used as a self-treatment guide. 

The approaches that can help:

  • Breathwork and controlled breathing: Using controlled, slow breathing is one of the most effective, most researched, and least costly tools you have to regulate your nervous system. It's also one of the most direct ways to engage the parasympathetic nervous system (the brakes).
  • Trauma-focused and somatic therapies: With so much overlap between nervous system dysregulation and trauma, it makes sense that trauma-oriented therapy can be useful. Trauma-focused CBT, EMDR, and prolonged exposure are some of the most well-supported therapies for trauma. Somatic therapies, including somatic experiencing, focus directly on the body's stress responses and can be a valuable complement to traditional talk therapy when done with a trained therapist. 
  • Regular movement: Keeping the body active, especially through aerobic and resistance exercise, can help with healthy functioning of the nervous system. Gentle movements like yoga and tai chi have shown to be helpful for balancing the nervous system. 
  • Sleep and rest hygiene: Research suggests that consistently getting quality sleep supports a more balanced nervous system, while chronic sleep deprivation can worsen dysregulation. Having consistent sleep times, reducing screen time, not looking at your clock if you wake up in the middle of the night, and having a relaxing bedtime routine are all part of a helpful sleep hygiene routine. 
  • Mindfulness and grounding practices: Mindfulness and meditation practices can help to balance the nervous system and reduce stressors. 
  • Social connection: Supportive social interactions can bring your nervous system back toward homeostasis. This process is called coregulation where people interacting are helping regulate each other’s nervous systems. 
  • Working with a mental health provider: There are therapists trained to help with each one of these approaches. Finding one who specializes in what you're dealing with, whether that's sleep, trauma, relationships, or stress, can make a meaningful difference.

Self-care strategies can support nervous system health, but they aren't a substitute for professional care. If your symptoms are persistent, worsening, or getting in the way of work, relationships, or daily functioning, that's a sign to talk to a licensed mental health professional or a psychiatric provider. A therapist can help you identify what's driving the dysregulation and build a treatment plan tailored to your needs.  

You don't have to figure this out on your own

Dysregulation can be uncomfortable and disorienting, but it's something you can work through with the right support. 

Headway’s directory can help reduce stress when searching for a new provider. It has filters to find the right fit for you. You can find verified in-network providers, see upfront pricing, and book instantly.

This content is for general informational and educational purposes only and does not constitute clinical, legal, financial, or professional advice. All decisions should be made at the discretion of the individual or organization, in consultation with qualified clinical, legal, or other appropriate professionals.

© 2026 Therapymatch, Inc. dba Headway. All rights reserved. No part of this publication may be reproduced without permission.

Anxiety & stress