Feeling constantly depleted, unable to relax, overwhelmed, or battling anxious thoughts, especially at night? You’re not alone.
Many people experience these symptoms without realising that ongoing stress and an overwhelmed nervous system may be playing a part.
Though it often goes unnoticed, your nervous system is the body’s central command centre. Made up of the brain, spinal cord, and nerves, it controls everything from your heartbeat and digestion to stress responses, hormone balance, memory, and even your ability to fight infections. It influences how you think, feel, and function, every moment of every day.
When your nervous system is out of balance, it can leave you stuck in survival mode, exhausted, on edge, and unable to fully reset.
Let’s explore how this complex system works, what happens when it becomes dysregulated, and how to bring it back into balance for better energy, calm, and overall well-being.
Understanding Your Nervous System
Your nervous system is always working behind the scenes to help your body stay in balance and respond to what’s happening around you. The two main branches of the nervous system direct how your body reacts to stress and relaxation:
The Parasympathetic Nervous System: Rest and Digest
This branch helps your body slow down, repair, and recover. It supports digestion, lowers your heart rate, and creates a sense of calm, whether you’re meditating, reading, or enjoying a warm bath. It’s an important state for rest, recovery and restoration, both physically and emotionally.
The Sympathetic Nervous System: Fight or Flight
This kicks in under stress, raising your heart rate and energy levels to respond to danger. The problem is, modern stressors, like deadlines, arguments, or even scrolling social media, can keep it switched on, even when there’s no real threat. Over time, this can leave you feeling wired, tired, tense, and overwhelmed.
How Stress and Nervous System Imbalance Can Show Up
Our bodies and minds have many ways of letting us know when something’s off. Sometimes the signs are subtle; other times, they’re harder to ignore. Here are some common ways stress or nervous system dysregulation may show up:
In the Body:
• A racing heart or fluttering sensations (palpitations)
• Tight or aching muscles, often without a clear cause
• Ongoing tiredness, even after rest
• Trouble falling asleep or staying asleep
• Digestive discomfort like bloating or IBS symptons
• Frequent headaches or migraines
• Shortness of breath or a heavy feeling in the chest
Emotionally and Mentally:
• Feelings of anxiety, fear, or sudden panic
• Mood swings, irritability, or a sense of restlessness
• Difficulty focusing or feeling mentally foggy
• Feeling overwhelmed or constantly “on edge”
• Strong emotional reactions that feel hard to control
• Pulling away from people or things you usually enjoy
Other Signs to Notice:
• Feeling disconnected from yourself or your surroundings
• Extra sensitivity to light, sound, touch, or other stimuli
• Turning to unhealthy coping habits to feel better
• Struggling to stay warm or cool (temperature shifts)
These may be your body’s way of asking for support, and noticing them is the first step towards finding ways to support yourself and create a calmer state of being.
What Causes Nervous System Dysregulation?
Nervous system dysregulation typically develops over time. It’s often shaped by the pace of modern life, unresolved stress, and habits that quietly wear us down. Here are some common contributors:
1. Chronic Stress
Ongoing pressure, from work, relationships, or daily demands, can keep your system stuck in “high alert,” making it hard to truly rest.
2. Unresolved Trauma
Past experiences that felt overwhelming or unsafe can leave lasting imprints, keeping the body in survival mode even when life feels calm.
3. Lack of Rest
Without regular downtime, the nervous system doesn’t get the chance to reset. This can lead to fatigue, burnout, and emotional sensitivity.
4. Poor Sleep
Sleep is an important time for the body and brain to rest, repair and recover. Difficulties falling or staying asleep or not getting enough deep rest can leave your system overstimulated and depleted.
If sleep is something you struggle with, read my Sleep-Boosting Foods & Habits for practical ways to support a deeper, more restorative night’s sleep.
5. Nutrition
The food you eat directly affects your mood, energy, and ability to cope with stress. Whole, nutrient-dense foods provide the nutrients needed to support steady energy, brain and gut health, and our ability to cope with everyday stress.
In contrast, too much caffeine, sugar and highly processed food may contribute to energy fluctuations and, for some people, make it harder to feel calm and grounded.
6. Environmental Overload
Our modern environments are full of stimulation, noise, bright lights, multitasking, and endless screen time. All of this can overwhelm the senses and keep the nervous system in a heightened state, even if there’s no emotional stress present.
For some, EMFs (from Wi-Fi, phones, and devices) may also contribute to symptoms like anxiety, brain fog, or poor sleep. Reducing exposure, especially at night, can bring noticeable relief.
7. Environmental Exposures (Toxins and Chemicals)
Our physical environment can also influence our health. Things like air pollution, mould and exposure to certain chemicals can place additional stress on the body, particularly with ongoing or higher levels of exposure.
8. Disconnection
Human connection is deeply regulating. Feeling alone, or emotionally unsupported, even when not physically alone, can leave the nervous system feeling unsafe and on edge.
How to Regulate Your Nervous System
If some of this feels familiar, it’s okay, as there’s so much you can do to support yourself through simple food and lifestyle habits. No matter your past stress, trauma, or health history, simple daily choices can help your system feel safer, more balanced, and more resilient again.
Let’s start with food habits that can gently guide your nervous system back into regulation.
Food Habits to Support a Calmer Body & Mind
🥗 Choose Whole Foods
Focus on real, unprocessed foods as often as you can. Think fresh veggies, fruits, good fats, and quality proteins. These provide important nutrients and protective plant compounds that support brain, gut and overall health.
Need some inspiration? Download my free Anti-Inflammatory Foods List for simple foods you can start adding to your everyday meals.
🍬 Balance Blood Sugar
Enjoy balanced meals with protein, healthy fats, and fibre to keep your energy steady and avoid mood crashes.
🐟 Get Omega-3s
Include foods like salmon, sardines, flaxseeds, or walnuts. Omega-3s play an important role in brain health and healthy nervous system function.
🦠 Look After Your Gut
A healthy gut supports a healthy mind. Include fermented foods (like sauerkraut, yoghurt, kefir) and fibre-rich foods that feed good bacteria.
❌ Notice Food Sensitivities
Some people feel better when they reduce or avoid foods they know don’t agree with them. Listen to your body and tune into how you feel after eating different foods.
☕ Be Mindful with Caffeine
Try to keep coffee or tea to the morning only. Too much or too late can overstimulate your system and disrupt sleep.
🍷 Keep Alcohol to a Minimum
Alcohol can interfere with sleep and increase anxiety, even if it feels relaxing in the moment.
Lifestyle Hacks That Help You Feel Safe, Calm, and Steady
Alongside nourishing food, your daily routines and environment have a powerful impact on how your nervous system feels. These easy lifestyle hacks can help bring your body out of survival mode and into a state where healing, calm, and clarity are possible.
🌿 Spend Time in Nature
Even a few minutes outside, walking barefoot, sitting under a tree, or getting sunlight on your skin can help your body shift into a more relaxed state.
💨 Breathe Slowly and Deeply
When you feel overwhelmed, try a few slow, deep breaths. Breathing down into your belly helps signal to your nervous system that you’re safe.
🧘♀️ Move in Ways That Feel Good
Gentle movement, like walking, stretching, dancing, or yoga, helps release stored tension and bring you back into your body. It doesn’t have to be intense to be effective.
📱 Take Breaks From Screens
Too much screen time (especially before bed) can over-stimulate your system. Even a brief break from screens can help reset your mind.
🌙 Create a Calm Bedtime Routine
Winding down at night, dim lights, no screens, herbal teas, quiet reading, can help signal to your body that it’s safe to rest.
👥 Connect With People Who Feel Safe
Spending time with supportive, kind people is deeply regulating. Even a short, genuine conversation can help calm your system.
🤲 Practice Stillness and Silence
Even a few minutes of quiet, whether it’s meditation, journaling, or simply pausing, can help your system shift out of “go mode” and into rest.
🛀 Create Moments of Comfort
Warm baths, soft blankets, comfy clothes or a favourite aromatherapy oil can help create safety signals for your body.
Healing your nervous system takes time, and every small step counts.
Supporting your nervous system isn’t about adding another long list of things you “should” be doing. Start small. Choose one or two habits that help you feel calmer, more nourished and better supported, and build from there.
If you’re feeling overwhelmed by where to start, this is something we can work through together. Through 1:1 coaching, I can help you simplify your food and lifestyle habits and create realistic changes that support your health and fit your life.
Explore 1:1 Nutrition & Wellness Coaching →
References
- American Psychological Association. (2023). Understanding the stress response. APA.
- Harvard Health Publishing. (2020). Understanding the stress response. Harvard Medical School.
- van der Kolk, B. A. (2014). The Body Keeps the Score: Brain, Mind, and Body in the Healing of Trauma. Viking.
- Porges, S. W. (2011). The Polyvagal Theory: Neurophysiological Foundations of Emotions, Attachment, Communication, and Self-Regulation. W.W. Norton & Company.
- National Institute of Mental Health. (2022). 5 Things You Should Know About Stress. NIMH.
- Chrousos, G. P. (2009). Stress and disorders of the stress system. Nature Reviews Endocrinology, 5(7), 374–381.
- Felitti, V. J., Anda, R. F., Nordenberg, D., et al. (1998). Relationship of childhood abuse and household dysfunction to many of the leading causes of death in adults. American Journal of Preventive Medicine, 14(4), 245–258.
- Cryan, J. F., & Dinan, T. G. (2012). Mind-altering microorganisms: the impact of the gut microbiota on brain and behaviour. Nature Reviews Neuroscience, 13, 701–712.
- Hyman, M. (2020). The UltraMind Solution: Fix Your Broken Brain by Healing Your Body First. Scribner.
- Davidson, R. J., & McEwen, B. S. (2012). Social influences on neuroplasticity: Stress and interventions to promote well-being. Nature Neuroscience, 15(5), 689–695.
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About Julie
I’m Julie Kradolfer, recipe developer, wellness writer, functional nutrition consultant, and yoga practitioner, and the heart behind Wholesome Human. I help people feel more energetic, balanced, and resilient through whole foods, lifestyle, and a supportive environment.
I believe true health thrives when we nourish and nurture ourselves with real food, simple habits, and grounded self-care. Through coaching, recipes, and practical lifestyle tools, I guide you to reconnect with your healthiest, most vibrant self — one kind choice at a time.
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