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    Breathing Technique

    Diaphragmatic Breathing

    Belly breathing that engages the diaphragm — your primary breathing muscle — to reduce stress, improve oxygenation, and undo years of shallow chest breathing.

    Try it now

    Inhale

    1

    / 5s

    Diaphragmatic breathing — often called belly breathing or deep breathing — is breathing the way you were designed to. Instead of pulling air into the upper chest, the diaphragm descends, the belly expands, and the lungs fill from the bottom up. Most adults have lost this pattern from years of stress, screen-hunched posture, and clenched cores.

    Why it works

    Diaphragm engagement increases tidal volume, reduces respiratory rate, and improves the efficiency of gas exchange. It also stimulates the vagus nerve via the abdominal organs, lowering cortisol and heart rate. Studies in COPD, IBS, hypertension, and PTSD all show benefits from a daily diaphragmatic breathing practice.

    How to do diaphragmatic breathing

    1. Lie on your back with knees bent, or sit upright. Put one hand on your chest, one on your belly.
    2. Inhale slowly through the nose for 5 seconds. The belly should rise; the chest stays still.
    3. Exhale through pursed lips for 6 seconds, letting the belly fall.
    4. Keep the breathing smooth — no gulping, no force.
    5. Continue for 5–10 minutes, building to twice daily.

    When to use it

    • First thing in the morning to reset breathing patterns.
    • Mid-afternoon, when posture has collapsed and breathing has crept up into the chest.
    • Pre-workout as a warm-up for the diaphragm itself.
    • Whenever back tension, neck tension, or shallow breath shows up.

    Frequently asked questions

    Why does diaphragmatic breathing feel hard?

    Because the diaphragm — like any muscle — gets weak when unused. The first weeks feel awkward; lying down with a hand on the belly is the fastest way to re-learn the movement.

    Is it the same as belly breathing?

    Yes. Belly breathing, abdominal breathing, and diaphragmatic breathing all describe the same pattern.

    Related techniques

    Coherent Breathing

    Five-second inhales and five-second exhales — a 5.5 breaths-per-minute rhythm shown to maximise heart rate variability and reduce anxiety.

    Box Breathing

    A 4-4-4-4 square breathing pattern used by Navy SEALs, ER nurses, and meditators to calm the nervous system in under a minute.

    4-7-8 Breathing

    Dr. Andrew Weil's relaxing breath: inhale 4, hold 7, exhale 8. The longer exhale signals safety to the nervous system and helps you fall asleep faster.

    Want to go deeper? Our breathing guides explain when each technique helps most — and the science behind it.

    Read the breathing blog