Wake up refreshed at 9:06 PM
Plan your bedtime to wake up at 9:06 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 cycles11:51 AM9 hrs
- 5 cycles1:21 PM7.5 hrs
- 4 cycles2:51 PM6 hrs
- 3 cycles4:21 PM4.5 hrs
- 2 cycles5:51 PM3 hrs
- 1 cycles7:21 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).