Sleep Calculator

Calculate optimal sleep and wake times based on sleep cycles. Wake up refreshed and energized.

Sleep Cycle Facts:

  • • A sleep cycle lasts ~90 minutes
  • • 5-6 cycles per night is ideal
  • • Waking mid-cycle causes grogginess
  • • Adults need 7-9 hours of sleep
  • • Teens need 8-10 hours
  • • Quality matters as much as quantity

Better Sleep Tips:

  • • Keep a consistent sleep schedule
  • • Avoid screens 1 hour before bed
  • • Keep your room cool and dark
  • • Avoid caffeine after 2 PM
  • • Exercise regularly, but not before bed

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