Bedtime Calculator
Find out what time to go to bed to wake up refreshed. Based on sleep cycle science.
Sleep Cycle Science
For 6:30 AM wake: Go to bed at 9:16 PM (6 cycles) or 10:46 PM (5 cycles)
Sleep Stages
- Light Sleep: Easy to wake, body relaxes
- Deep Sleep: Physical restoration, hardest to wake
- REM Sleep: Dreams, memory consolidation
Frequently Asked Questions
What is the best bedtime?
The best bedtime is one that gives you 5-6 complete sleep cycles before waking.
Should I go to bed at the same time?
Yes! Consistent bedtime helps regulate your circadian rhythm.