Sleep Debt Calculator
Strong evidence ↗Add up your last week of sleep and see your sleep debt in hours, what it does to you, and a realistic recovery plan. Free, instant, private.
Hours actually slept, last 7 nights
7 hours of sleep debt
Average 7h per night against a 8h need.
A real debt. You cannot repay it in one heroic lie-in; go to bed 30–60 minutes earlier for the next week and let mornings stay consistent. Expect mood and focus to lag until it clears.
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