Sleep Calculator

There is no single cutoff that works for everyone. Caffeine's half-life varies widely; six hours before sleep can be a starting reference, but sensitivity, intake, medication, and clinician advice may call for an earlier time.

Extra sleep may help you feel better, but one long sleep does not reliably reverse every effect of repeated short nights. Large shifts in wake time can also move your body clock, so a steadier schedule and gradual recovery are usually easier to maintain.

Yes, as a timing aid. Plan around the sleep opportunity that follows your shift and keep light, noise, caffeine, and commute safety in mind. Shift-work sleep problems deserve professional advice when they persist.

Choose a wake time or sleep time. BedtimePilot uses adjustable 90-minute cycle estimates and includes the time you usually need to fall asleep.

Sleep time is when you aim to be asleep. Bedtime gives you time to settle in. Wind-down starts early enough to finish your selected evening routine.

It places sleep, settling-in, and wind-down periods on one full day so you can see where tonight sits in your schedule.

Yes. Start from a template, save it to My routines, then change its steps, order, and duration.

No. Set your alarm separately. This version plans your timing but does not schedule system alarms or background notifications.

Plans, routines, and progress are stored in this browser. There is no account or automatic device sync in this version.

No. The times are planning references. BedtimePilot does not measure sleep stages, diagnose conditions, or replace professional care.