Wake up refreshed at 6:19 PM
Plan your bedtime to wake up at 6:19 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 cycles9:04 AM9 hrs
- 5 cycles10:34 AM7.5 hrs
- 4 cycles12:04 PM6 hrs
- 3 cycles1:34 PM4.5 hrs
- 2 cycles3:04 PM3 hrs
- 1 cycles4:34 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).