Physiological Sigh Breathing for Instant Stress Relief (Huberman-Inspired)

Dr. Schilling breaks down the physiological sigh — a double inhale through the nose followed by a long slow exhale — and explains why it's one of the fastest ways to calm your nervous system in real time. Learn how this breath pattern regulates CO2, expands alveolar sacs, and signals your body into a safety state within seconds.