sleep

6 articles · All tags

• How Caffeine Works: Adenosine, Alertness, and Sleep
  Caffeine does not give energy; it blocks adenosine receptors so you feel less tired. Learn its half-life, safe daily limits, tolerance, and effects on sleep.
• What Is Delayed Sleep Phase Syndrome?
  DSPS explained: why some bodies naturally fall asleep hours late, how it differs from insomnia, and the light-and-timing treatments that actually shift the clock.
• Intermittent Fasting and Sleep: The Timing Connection
  How meal timing shapes the circadian clock and sleep quality — the research on eating windows, late dinners, and why the gut keeps its own bedtime.
• Circadian Rhythm Reset: How the Master Clock Works
  The biology of the circadian system — the suprachiasmatic nucleus, melatonin, and zeitgebers — and how each signal can be used to shift your internal clock deliberately.
• How to Fix Your Sleep Schedule
  A practical, evidence-based method to reset a broken sleep schedule — light timing, anchors, and the counterintuitive rule about wake time that does most of the work.
• Unihemispheric Sleep: Sleeping with Half a Brain
  Dolphins, seals, and some birds sleep one brain hemisphere at a time — what the EEG shows, why voluntary breathers and vulnerable sleepers evolved it, and what it says about sleep itself.