Sleep Debt Calculator
Estimate accumulated sleep shortage over the past week.
Your details
Your result
Enter your details and calculate.
Results are educational estimates, not medical advice. Individual needs can vary.
What sleep debt means
Sleep debt is the gap between the sleep your body needs and the sleep you obtain. Weekend catch-up can help, but consistency is generally better.
Recover safely
Shift bedtime gradually and use short early-afternoon naps if needed. Persistent excessive sleepiness deserves medical attention.
How to use this result
Use the estimate as a practical starting point, then track how you feel and adjust gradually. For medical conditions, pregnancy, medication use, or major training changes, consult a qualified health professional.