What 4-7-8 breathing is, and where it comes from
Inhale for 4 counts, hold for 7, exhale for 8 — the best-known "calming pill" without a pill. The technique, popularised by American physician Dr. Andrew Weil, draws on pranayama, an ancient yogic breathing practice.
The key is not the exact number of seconds but the ratio between the phases: the exhale is twice as long as the inhale, and the hold is nearly twice as long as the inhale as well. That extremely prolonged exhale forces the body to slow its heart rate markedly and deepens activation of the parasympathetic nervous system — which is why 4-7-8 is so often recommended exactly when you need to fall asleep or calm down quickly before something demanding.
In Breathune this technique has its own guided program called Relaxation 4-7-8, part of the app's full version. Unlike the Šikuta Method, which deepens progressively, 4-7-8 keeps the same, clearly defined ratio throughout the entire session — exactly as the original technique prescribes.
Step by step
Inhale through the nose — 4 counts
Close your mouth and breathe in quietly through the nose while mentally counting to 4.
Hold your breath — 7 counts
Hold your breath for 7 counts. If that feels too long at first, try a shorter equivalent ratio, such as 3-5-6.
Exhale through the mouth — 8 counts
Exhale slowly through the mouth with a whoosh sound while counting to 8 — the exhale should be the longest phase of the whole cycle.
How many cycles? Start with four cycles and build up gradually to eight. Avoid more than eight cycles at a time until your body gets used to the technique — mild lightheadedness on your first attempts is normal and fades with practice.
4-7-8 breathing in the Breathune app
The Relaxation 4-7-8 program in Breathune guides the exact inhale-hold-exhale ratio through visuals, synthesised breath sound and gentle haptics — in silent mode (haptics only), touch alone is enough, so you can do the session with your eyes closed in bed. The same program is also on Apple Watch; an Android and Wear OS version is in the works.
Breathing for sleep — the full guide
4-7-8 is only one route to better sleep. See also coherent breathing and the Snore No More module for snoring prevention.
Read the guide →Download Breathune
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Download →Frequently asked questions
Why is 4-7-8 breathing described as "calming"?
The 1:1.75:2 ratio between inhale, hold and exhale forces the body to substantially lengthen the exhale — and a long exhale is what most strongly activates the parasympathetic nervous system via the vagus nerve. That is why the effect is felt faster than with even-paced breathing.
Do I need to master the exact 4-7-8 ratio right away?
No. What matters is the ratio, not the exact seconds — if a 7-second hold feels too long, try a shorter equivalent such as 3-5-6 and lengthen it gradually. The Breathune app keeps the pace for you, so you never have to focus on counting.
How many 4-7-8 cycles are enough before bed?
Four cycles to start is recommended, building up to eight. Practise lying down with your eyes closed — in silent mode (haptics only) touch alone guides you, so there is no need to look at the screen.