Sleep Debt Calculator

Estimate Your Weekly Sleep Debt

Compare your sleep need with the hours you actually slept during the past seven nights.

Sleep Debt Calculator illustration
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Enter your averages to estimate the weekly difference.

What the Number Can and Cannot Tell You

Sleep debt is a simple planning estimate, not a diagnosis. It cannot account for awakenings, sleep disorders, illness, medication, or individual differences in sleep need. Persistent exhaustion despite adequate time in bed deserves medical attention.