Sleep at 3:43 AM
Plan your wake-up time if you sleep at 3:43 AM. 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 cycles6:28 PM9 hrs
- 5 cycles7:58 PM7.5 hrs
- 4 cycles9:28 PM6 hrs
- 3 cycles10:58 PM4.5 hrs
- 2 cycles12:28 AM3 hrs
- 1 cycles1:58 AM1.5 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).