🌙 Sleep Cycle Calculator

Optimize your rest rhythms to wake up refreshed and groggy-free.

Select your target wake-up alarm time:

:

If you close your eyes right this instant, your body accounts for roughly 14 minutes of routine tossing and turning to slip into unconsciousness.

Suggested Schedules
💡 Pro Tip: Humans average 90-minute sleep intervals. Aim for 5 or 6 full cycles (7.5 to 9 hours of total sleep) to achieve optimal performance, deep tissue recovery, and cognitive alignment.