Acute Stress Relief

Cyclic Sighing (Physiological Sigh)

Structure

2 quick nasal inhales (second is a "top off"), 1 long exhale.

Benefit & Nervous System Impact

Rapidly offloads CO2, pops open alveoli; Downregulating.

Duration & Rationale

1-5 min (Fastest real-time autonomic reset).

Best For

Panic attacks, mid-stress relief.

Good If Combined With

Grounding exercises, nature walks.

Source / Origin

Dr. Andrew Huberman / Jack Feldman

Intensity & Safety

Low. Safest real-time intervention.

Official Website

hubermanlab.com