exhale+unwind · Sleep & calm
4-7-8 Breathing: What It Does and How to Do It
If you've heard people swear by '4-7-8 breathing' for falling asleep, they're not exaggerating — and there's a simple reason it works.
Where 4-7-8 comes from
Popularised by Dr Andrew Weil and rooted in yogic pranayama, 4-7-8 is a relaxing pattern built around one idea: a long exhale.
The pattern
- Inhale quietly through your nose for 4 seconds.
- Hold your breath for 7 seconds.
- Exhale slowly through your mouth for 8 seconds.
- That's one cycle. Repeat three to four times.
Why the long exhale matters
The exhale is where calm lives. A drawn-out out-breath activates the vagus nerve and your 'rest and digest' system, which slows your heart rate. The hold gives carbon dioxide a moment to build, and that has a settling effect too.
Tips for getting it right
- Purse your lips and exhale with a soft whoosh.
- Don't strain the 7-second hold — shorten every count in proportion if you need to (say 2-3.5-4).
- Do it lying down if you're using it for sleep.
- Practise twice a day so it's automatic when you actually need it.
When to use it
4-7-8 is best for winding down — before sleep, or to take the edge off stress. It's less suited to an acute panic attack, where a faster reset works better.
Common questions
- Is it really free?
- Yes. The core features are free, with no subscription needed.
- Does it work for panic attacks?
- Yes. Select “panic” and the fastest technique surfaces immediately.
- Do I need to create an account?
- No account needed. Open the app and breathe.
- How is this different from Calm or Headspace?
- Those are meditation platforms. This is a breathing tool — fast, specific and mood-matched. No other app does the mood-to-technique matching.
- Does it work offline?
- Fully offline. Everything runs on-device, with no loading screens.
Get the app
exhale+unwind — Breathe & Reset
Need it right now? Open the quick-start page: 4-7-8 breathing — how to do it.