Calculate your sleep efficiency percentage based on time in bed versus actual time asleep.
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How this calculator works
Sleep efficiency is the percentage of time in bed that you are actually asleep. Normal sleep efficiency is 85-90%. Below 85% may indicate a sleep disorder. Above 95% may indicate sleep deprivation.
Common questions about this calculator
Persistent sleep problems may indicate a sleep disorder. Consult a sleep specialist if you consistently have difficulty sleeping.