4-7-8 Sleep Protocol
The classic pattern for fast sleep onset.
Duration
5 min
Level
02
Evidence
Why this protocol
The long hold raises CO₂ modestly, which increases vagal tone. The extended exhale then discharges arousal quickly.
Perfect moments
What you'll experience
Slower heartbeat
Heavy body
Warm chest
Sleep readiness
Coach's insight
“Four rounds is enough for most people. Don't push to eight — the point is sleep, not endurance.”
Common mistakes
Doing more than eight rounds and becoming lightheaded.
Forcing air out at the end of the eight-count exhale.
Making the hold shorter to make it easier — the hold is the medicine.
Breathing pattern
Session length
The long hold raises CO₂ modestly, which increases vagal tone. The extended exhale then discharges arousal quickly. Together they produce a rapid, reliable parasympathetic shift.
Evidence
The 4-7-8 pattern shortens sleep-onset latency in small controlled trials and is used clinically for anxiety-associated insomnia.
Onset
2–4 minutes
Lasts
Carries into sleep
Related protocols
After this session
You'll gently reflect on: