Sleep Calculator
Work backward from a wake-up time to estimate when to get into bed for an adult sleep target.
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Get into bed around
22:10
Allows 20 minutes to wind down before an estimated 8 hours of sleep.
Try to be asleep by
22:30
To wake at 06:30. Most adults generally need at least 7 hours, but needs vary.
These results are educational estimates, not a diagnosis or treatment plan. For personal medical advice, pregnancy guidance, chronic conditions, eating concerns, or medication decisions, speak with a qualified health professional.
How to use this result
Use the estimate as a starting point for learning and planning. Recheck the inputs, compare the result with how you feel day to day, and ask a qualified professional before making major changes to diet, exercise, medication, or pregnancy-related decisions.