5 Reasons Breathwork Helps You Sleep Better

Written by Tundie Berczi, Well-being Consultant

Tundie is a Well-being Consultant, Neuroscience MSc student, and expert in breathwork, meditation, and therapeutic coaching. With a background in corporate well-being, neuroscience, and holistic healing, she helps individuals and organisations reduce stress and cultivate mental clarity through science-backed and transformational practices.

Do you lie in bed feeling exhausted but unable to switch off? You are not alone. Poor sleep affects millions of people, and it is often caused by something deeper than just a busy mind. Whether you struggle to fall asleep, wake up in the middle of the night, or live with low-level anxiety that keeps your body on high alert, breathwork can help.

Unlike pills or sleep apps, breathwork gives your nervous system a clear signal: it is safe to rest now.

Here is why breathwork really works and how you can use it tonight.

1. Breathwork calms the nervous system

To fall asleep, your body needs to shift out of fight or flight and into rest and digest. Modern life keeps many people stuck in a stress loop, wired but tired. Slow breathing changes this.

A 2020 study from the University of Zurich found that controlled breathing activates the parasympathetic nervous system, helping people move into a state of physiological calm.¹ This downregulation allows your body to prepare for rest instead of staying on alert.

What this means: When you breathe slowly and deeply, your nervous system shifts into a sleep-ready state.

2. Breathwork reduces stress hormones like cortisol

High cortisol at night is one of the most common biological causes of insomnia. When your body is stressed, it keeps you alert, even when you feel physically tired.

Breathwork lowers this stress response. A 2017 study from Soochow University in China showed that slow-paced breathing reduced cortisol levels and supported emotional stability in adults with sleep difficulties.²

What this means: Breathwork is not just relaxing; it actively lowers the chemicals that stop you from falling asleep.

3. It increases melatonin, your natural sleep hormone

Melatonin is the hormone that tells your body it is time to sleep. Its production depends on a calm, dark, and safe internal environment.

A 2019 paper in the journal Sleep Science found that slow diaphragmatic breathing increases melatonin levels by supporting the parasympathetic system and calming the hypothalamic-pituitary-adrenal (HPA) axis.³

What this means: Breathing techniques help set the stage for deeper, more natural sleep cycles.

4. It interrupts anxiety and mental overthinking

Have you ever felt your brain will not turn off at night? Breathwork brings your awareness back to your body and away from the mental chatter. This physical focus acts as a pattern interrupt for anxious thought loops. A 2022 review published in Frontiers in Human Neuroscience showed that slow breath techniques significantly reduced anxiety symptoms and improved pre-sleep relaxation.⁴

What this means: Breathwork helps you feel safe enough to stop thinking and start resting.

5. It retrains your sleep response over time

Many people develop fear around bedtime, especially if they have had long-term sleep issues or panic attacks during the night.

Breathwork helps reprogram this. Over time, your system learns a new pattern: night equals safety. Your heart rate slows more quickly, your mind stops racing, and you begin to associate lying in bed with calm.

A 2021 study in Applied Psychophysiology and Biofeedback found that nightly breathwork improved both sleep quality and heart rate variability, a key marker of nervous system resilience.⁵

What this means: With practice, breathwork can create long-term changes in how your body handles rest.

A simple practice to try tonight: 4-7-8 breathing

• Inhale gently through your nose for 4 seconds

• Hold your breath for 7 seconds

• Exhale slowly through your mouth for 8 seconds

• Repeat 4 to 6 rounds in bed

If you wake up during the night, repeat this pattern. The long exhale helps deactivate your stress response and signals safety to the body.

Why coaching or therapy can help

If you have lived with sleep anxiety, long-term insomnia, or past trauma, breathwork is a powerful starting point, but sometimes the system needs deeper rewiring.

Nervous system coaching or trauma-informed therapy can support you to:

• Unlearn patterns that keep your body in alert mode

• Build emotional safety before sleep

• Feel connected to your body again

When combined with breathwork, this approach can lead to lasting changes—not just better sleep, but better mornings too.

Want to sleep better without pills or pressure?

I offer:

• 1-to-1 breathwork and nervous system support for sleep and emotional regulation

• Science-based, simple tools that work with your body

• Safe, compassionate coaching to help you rest more deeply

You do not need to keep battling with your nights.

Let us build a rhythm that works for your body and life.

If you would like more support with your sleep, you can find my details by searching for @tundieberczi on Instagram, TikTok, and Facebook.

Follow me on Instagram, LinkedIn, and visit my website for more info!

Read more from Tundie Berczi

Tundie Berczi, Well-being Consultant

Tundie is a Well-being Consultant specialising in stress management, resilience, and workplace wellness. With over a decade in the corporate world, she understands the demands of high-performance environments and integrates neuroscience, breathwork, and holistic therapies to create effective well-being solutions. She delivers corporate workshops, individual coaching, and breathwork meditation programs designed to help people gain clarity, balance, and focus. As a Cognitive Neuroscience student and certified Pranayama Breathwork and Meditation Teacher, Therapist, and Coach, she merges science with holistic practices to facilitate deep, lasting transformation.

References:

1. Zaccaro A, Piarulli A, Laurino M, et al. (2018). How Breath-Control Can Change Your Life: A Systematic Review on Psycho-Physiological Correlates of Slow Breathing. Frontiers in Human Neuroscience, 12:353. PMC

2. Ma X, Yue Z-Q, Gong Z-Q, et al. (2017). The Effect of Diaphragmatic Breathing on Attention, Negative Affect, and Stress in Healthy Adults. Frontiers in Psychology, 8:874. PMC

3. Martarelli D, Cocchioni M, Scuri S, Pompei P. (2011). Diaphragmatic Breathing Reduces Exercise-Induced Oxidative Stress (with decreased cortisol and increased melatonin). Evidence-Based Complementary and Alternative Medicine, 2011:932181. PMC

4. Fincham GW, Strauss C, Montero-Marin J, Cavanagh K. (2023). Effect of Breathwork on Stress and Mental Health: A Meta-Analysis of Randomized-Controlled Trials. Scientific Reports, 13:432. Nature

5. Laborde S, Hosang T, Mosley E, Dosseville F. (2019). Influence of a 30-Day Slow-Paced Breathing Intervention Compared to Social Media Use on Subjective Sleep Quality and Cardiac Vagal Activity. Journal of Clinical Medicine, 8(2):193.