Wake up refreshed at 7:48 PM
Plan your bedtime to wake up at 7:48 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 cycles10:33 AM9 hrs
- 5 cycles12:03 PM7.5 hrs
- 4 cycles1:33 PM6 hrs
- 3 cycles3:03 PM4.5 hrs
- 2 cycles4:33 PM3 hrs
- 1 cycles6:03 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).