Why sleep matters

Why sleep matters

In “Sleep Toolkit: Tools for Optimizing Sleep & Sleep-Wake Timing,” Andrew Huberman explains why sleep underpins mental health, physical health, immune function, cognition, mood, performance, and recovery, then lays out a practical toolkit for improving sleep by timing light, darkness, temperature, caffeine, food, exercise, naps, NSDR, supplements, and schedule shifts around the body’s circadian biology.