How to tell if your fight-or-flight is stuck on

If you often feel wired but exhausted, startle easily, or carry tension you can't explain, your nervous system may be stuck in fight-or-flight. This survival response is designed to be temporary, but for many people it never fully switches off. Recognizing the signs is the first step toward calming it.

What it means to be stuck in fight-or-flight

Your autonomic nervous system has two main branches: the sympathetic (fight-or-flight) and the parasympathetic (rest-and-digest). When you perceive a threat, the sympathetic system releases stress hormones that increase heart rate, tense muscles, and sharpen focus. Once the danger passes, the parasympathetic system should restore balance. But chronic stress, trauma, or underlying health issues can keep the sympathetic system active, leaving you in a state of hyperarousal—like being in fight-or-flight mode all the time, even when there's no present danger (Cleveland Clinic, 2025).

Common signs your stress response is stuck

Here are the most frequently reported symptoms of a chronically activated fight-or-flight response:

• Physical symptoms: rapid heart rate, muscle tension, headaches, digestive issues, fatigue that doesn't improve with rest, and dizziness (NeuroHealth Services, n.d.).
• Emotional symptoms: anxiety, constant worry, irritability, and a sense of dread (Life Potential Chiropractic, 2026).
• Cognitive symptoms: brain fog, memory problems, and difficulty concentrating (NeuroHealth Services, n.d.).
• Sensory sensitivity: being easily startled, sensitive to sound or light, and hypervigilant (Cleveland Clinic, 2025).

If you recognize several of these, it's worth taking them seriously. Chronic activation of the stress response can contribute to high blood pressure, artery-clogging deposits, and brain changes linked to anxiety and depression (Harvard Health, 2024).

Why "just calm down" doesn't work

Telling yourself to relax when your nervous system is stuck is biologically ineffective. Your brain's alarm system can fire before rational thought even begins, making it nearly impossible to consciously override the response (ReachLink, 2026). This is why practical, body-based strategies are more helpful than trying to think your way out of it.

Practical steps to help your nervous system settle

While professional support is often necessary, these evidence-informed techniques can help you begin to down-regulate:

1. Breathe with intention. Deep, slow breathing is one of the quickest ways to signal safety to your nervous system (Baylor Scott & White Health, n.d.). Try inhaling for four counts, holding for four, exhaling for four, and holding for four—repeat for a few minutes.
2. Try progressive muscle relaxation. Tense each muscle group for about five seconds, then relax for 30 seconds, moving from your feet to your head. This practice has been shown to reduce cortisol, a stress hormone (Neurodivergent Insights, 2023).
3. Engage in gentle movement. Activities like yoga, walking, or stretching help release tension and activate the parasympathetic system (Alaska Behavioral Health, 2026).
4. Use your voice. Singing, humming, or even laughing can stimulate the vagus nerve, which supports relaxation (Alaska Behavioral Health, 2026).
5. Create a calming bedtime routine. A dark, cool room, no screens before bed, and calming activities like journaling can signal to your body that it's time to rest (Associated Clinic of Psychology, 2026).

These practices are most effective when done consistently, even for a few minutes daily. They are not a cure, but they can help you build a foundation of safety.

When to seek professional help

If your symptoms are persistent, interfere with daily life, or are linked to past trauma, consider working with a professional who specializes in nervous system regulation and trauma-informed care. A qualified practitioner can help you understand your unique patterns and develop a personalized approach to healing.

Quiz: Test your understanding

Which of the following is a common sign that your fight-or-flight response may be stuck on?

• A) Feeling calm and relaxed most of the time
• B) Being easily startled and hypervigilant
• C) Having a consistent, restful sleep schedule

Correct answer: B) Being easily startled and hypervigilant

How the Featured Expert Can Help

Kelly Pienaar offers online counseling, coaching, and wellness services focused on nervous system regulation and trauma recovery. Her practice is designed for individuals navigating complex trauma, narcissistic abuse, and ADHD, helping them move from chronic overwhelm to self-trust. She integrates lived experience with structured support to create a safe space for clients to reconnect with their bodies. If you feel stuck in survival mode, you can learn more at Kelly Pienaar Counselling.