Wake up refreshed at 9:53 PM
Plan your bedtime to wake up at 9:53 PM. This sleep calculator uses 90-minute sleep cycles and takes 15 minutes to fall asleep into account. Adults: 7-9 hrs, Teenagers: 8-10 hrs, Children: 9-11 hrs, Elderly: 7-8 hrs.
- 6 cycles12:38 PM9 hrs
- 5 cycles2:08 PM7.5 hrs
- 4 cycles3:38 PM6 hrs
- 3 cycles5:08 PM4.5 hrs
- 2 cycles6:38 PM3 hrs
- 1 cycles8:08 PM1.5 hrs
Suggested bedtimes (arrive in bed earlier to allow 15 minutes to fall asleep).
Tip: Sleep cycles average ~90 minutes. Aim for 4–6 full cycles (6–9 hrs).