Wake-Up Time Calculator
Choose a Better Wake-Up Window
Enter when you expect to fall asleep and compare morning alarm times after complete cycles.
Suggested wake-up windows will appear here.
Do Not Sacrifice Enough Sleep for Cycle Timing
Waking near the end of a cycle can feel more comfortable, but total sleep matters more. Favor an option that provides enough hours, and treat the cycle calculation as an estimate because cycle length changes through the night.