Wake-Up Time Calculator

Tell us when you plan to fall asleep and we'll show you the ideal alarm times - each landing at the natural end of a 90-minute sleep cycle.

Best Bedtimes by Wake-Up Goal

Common wake times and the ideal bedtimes to hit 5 or 6 complete sleep cycles:

Wake at 5:00 AMUse calculator above
Wake at 5:30 AMUse calculator above
Wake at 6:00 AMUse calculator above
Wake at 6:30 AMUse calculator above
Wake at 7:00 AMUse calculator above
Wake at 7:30 AMUse calculator above
Wake at 8:00 AMUse calculator above

Tips for Waking Up Easier

  • Keep your alarm consistent - even on weekends. Your circadian clock anchors to your wake time.
  • Expose yourself to bright light (ideally sunlight) within 30 minutes of waking to reset your body clock.
  • Avoid snoozing. Hitting snooze fragments the light sleep you need for an easy wake-up.
  • A consistent bedtime matters as much as your alarm. Use this calculator every night.
  • Cooler rooms (65–68°F / 18–20°C) deepen slow-wave sleep and make cycle completion more reliable.