Posts tagged "prebötzinger complex"

The Physiological Sigh: The Double-Inhale Reset Built Into Your Brainstem

That involuntary double inhale — a second little sip of air on top of a full breath, followed by a long exhale — is not a random hiccup. It is a hardwired physiological reset generated by a circuit in your brainstem, and you can trigger it deliberately. It may be the single fastest voluntary lever you have on your own nervous system.