Breathe at six

Five minutes. It raises heart-rate variability. That's the honest claim.

SWe reviewed the research on it.Stress, nerves and calm

How to use it

Five minutes at about six breaths a minute (5 s in, 5 s out) before something that matters, or to wind down. It raises heart-rate variability. Don't claim more than that.

How sure we are

S Evidence: strong. Large trials or many studies, pointing the same way.

Sources

Laborde et al. 2022 (meta-analysis). HRV is a marker; health outcomes aren't shown.

Not medical, legal or financial advice.

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