Calculate the optimal nap length and wake time for different napping goals.
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What time is it now?
Only used if Custom Length is selected.
How this calculator works
Optimal nap lengths: 20 min (power nap - alertness), 60 min (slow-wave - memory), 90 min (full cycle - creativity). This calculator suggests wake times based on your nap goal and current time.
Common questions about this calculator
Persistent sleep problems may indicate a sleep disorder. Consult a sleep specialist if you consistently have difficulty sleeping.