← Back to Psychology Person practicing deep breathing exercises for anxiety relief in a calm environment
🧠 Psychology: Mental Health

5 Powerful Breathing Exercises Used by Navy SEALs to Combat Anxiety and Stress

📅 February 15, 2026 ⏱️ 3 min read
Breathing is the only function of the autonomic nervous system you can consciously control. When you change your breathing rhythm, you send a signal to the brain: “we're safe” (Zaccaro et al., 2018).

📖 Read more: Journaling: How Writing Improves Mental Health

5 Techniques Step by Step

1
Box Breathing (4-4-4-4)

Used by Navy SEALs for calm in extreme situations.

→ Inhale for 4 seconds

→ Hold for 4 seconds

→ Exhale for 4 seconds

→ Hold for 4 seconds

→ Repeat 4-6 times

2
4-7-8 Technique

Created by Dr. Andrew Weil. Ideal for insomnia and panic.

→ Inhale for 4 seconds

→ Hold for 7 seconds

📖 Read more: Burnout: 10 Signs You've Reached Your Limit

→ Exhale slowly for 8 seconds

→ Repeat 3-4 times

3
Diaphragmatic Breathing

Ma et al. (2017) showed it reduces stress and improves focus.

→ Place your hand on your belly

→ Inhale through nose — belly rises

→ Exhale through mouth — belly falls

→ 5-10 minutes daily

4
Physiological Sigh

From Andrew Huberman's Stanford Lab. The fastest technique for instant calm.

→ Double inhale through nose (short + second sip)

📖 Read more: Chronic Stress: How It Destroys Body & Mind

→ Long exhale through mouth

→ 1-3 repetitions are enough

5
Alternate Nostril Breathing (Nadi Shodhana)

Ancient yoga technique that balances the nervous system.

→ Close right nostril → inhale through left

→ Close both → hold

→ Open right → exhale

→ Alternate for 5 minutes

Breathing is the most accessible tool against anxiety. It's always with you.

Scientific Sources

  • Ma, X. et al. (2017). The Effect of Diaphragmatic Breathing on Attention, Negative Affect and Stress. Frontiers in Psychology, 8, 874. DOI: 10.3389/fpsyg.2017.00874
  • Zaccaro, A. et al. (2018). How Breath-Control Can Change Your Life: A Systematic Review. Frontiers in Human Neuroscience, 12, 353. DOI: 10.3389/fnhum.2018.00353
breathing techniques anxiety relief stress management box breathing 4-7-8 breathing Navy SEAL training nervous system mental health mindfulness relaxation