Educational content only. Not medical advice. Consult a healthcare provider for personal guidance.

Sleep Science

The science of sleep explained — sleep stages, circadian rhythm, sleep drive, common myths, and how much sleep you really need.

New here? Read these in order

  1. 1The Stages of Sleep: What Happens When You Close Your EyesWhat happens across a night of sleep
  2. 2Circadian Rhythm Explained: Your Body's Internal ClockYour internal clock, and why timing matters as much as duration
  3. 3How Light Resets the Circadian Clock: The Science Behind Light TherapyThe science behind light therapy
  4. 4Sleep Myths vs. Facts: What the Research Actually ShowsCommon beliefs checked against the research