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BREATHING · 4-4-8

Deep Rest Breath (4-4-8)

Deep Rest Breath uses a 4-second inhale, 4-second hold, 8-second exhale. The 2:1 exhale-to-inhale ratio maximizes parasympathetic activation. Easier to sustain than 4-7-8, making it a better choice for longer wind-downs before sleep.

Updated April 2026·5 min read

How to do it

  1. Lie down. Lie on your back or curl on your side. Keep one hand on your belly if that helps you notice the movement.
  2. Inhale 4. Inhale through the nose for 4 seconds.
  3. Hold 4. Hold gently for 4 seconds — no strain.
  4. Exhale 8. Exhale through the nose or pursed lips for 8 seconds. This is the critical phase.
  5. Continue for 10 minutes. Ten minutes is a reasonable pre-sleep dose. Stop if you fall asleep.

Why a 2:1 ratio, not 2.25:1

4-7-8 is the most famous sleep breathing pattern, but the 7-second hold is uncomfortable for many people when repeated for 10+ minutes. The 4-4-8 pattern preserves the core mechanism (exhale twice as long as inhale) with a shorter hold that is sustainable for a longer practice. Use 4-7-8 for 3 minutes to fall asleep fast; use Deep Rest Breath for a longer wind-down.

What the research says

The evidence base for Deep Rest Breath (4-4-8) rests on:

When to use it

  • Last 10 minutes before sleep
  • Pre-nap
  • When 4-7-8 feels too intense to sustain

Try it in the Loam app

Deep Rest Breath (4-4-8) is included in Loam's breathing library with an animated breath visualizer, optional haptic cues at every phase transition, and configurable durations. Download Loam to practice it.

Related techniques

Back to the full breathing library, or try: 4-7-8, resonance, Calming Breath (4-6).

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