Optimal bedtimes

Pick your bedtime — find the best wake-up times for complete sleep cycles.

8:00 PM 8:15 PM 8:30 PM 8:45 PM 9:00 PM 9:15 PM 9:30 PM 9:45 PM 10:00 PM 10:15 PM 10:30 PM 10:45 PM 11:00 PM 11:15 PM 11:30 PM 11:45 PM 12:00 AM 12:15 AM 12:30 AM 12:45 AM 1:00 PM 1:15 PM 1:30 PM 1:45 PM

Sleep cycles

Wake-Up Calculator

Optimal wake-up times