Sleep at 9:47 PM
Plan your wake-up time if you sleep at 9:47 PM. This tool optimizes sleep cycles of 90 minutes and considers 15 minutes to fall asleep. Adults: 7-9 hrs, Teenagers: 8-10 hrs, Children: 9-11 hrs, Elderly: 7-8 hrs.
- 6 cycles12:32 PM9 hrs
- 5 cycles2:02 PM7.5 hrs
- 4 cycles3:32 PM6 hrs
- 3 cycles5:02 PM4.5 hrs
- 2 cycles6:32 PM3 hrs
- 1 cycles8:02 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).