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Physiological sigh

technique

1 creator use or recommend it

▲ 1 active in the last 90 days

1 use + recommend
Last discussed Sep 3, 2026

A breathing technique involving a double inhale followed by a long exhale to activate the parasympathetic nervous system and promote calm.

What creators say

Andrew Huberman
uses recommends
Used for: Real-time stress reduction — before high-stakes events, when heart rate is too high, or when waking in the middle of the night Praised: Works in a single repetition; immediately slows heart rate via the vagus nerv... vs: Compared to meditation, box breathing, and cyclic hyperventilation (Wim Hof b...

"It was the people who did these physiological sighs that benefited the most. You don't need to do it for 5 minutes. Do it once. You're feeling stressed, you're going on stage, you're waiting for a diagnosis — you just do a double inhale long exhal..."

More from Andrew Huberman →
+2 more mentions from Andrew

"Do some long exhale breathing. It's called physiological sigh — it involves this double inhale, long exhale, which is involved in reducing the amou..."

"If you want to be more calm, emphasize exhales, and the simplest way to do this is to emphasize exhales through what's called a physiological sigh...."

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