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Goodfolk Health Utilities
Sleep Calculator
Estimate bedtime or wake-up time using sleep cycles, time to fall asleep, and desired rest.
A common sleep cycle estimate is about 90 minutes. Many adults aim for 4–6 cycles, depending on sleep needs and schedule.
Sleep estimate
Suggested bedtime22:45
Sleep time7.5 hours
Total rest window465 minutes
Other options
4 cycles00:15
5 cycles22:45
6 cycles21:15
This tool is for general planning only and is not medical advice. Sleep needs vary by person, age, stress, health, schedule, medication, and sleep quality.
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