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Sleep Debt Tracker

Weekly sleep deficit against your goal.

This week

Mon
Tue
Wed
Thu
Fri
Sat
Sun
Net sleep debt
+7.0 hr
Average / night
7.0 hr
Total sleep this week: 49.0 hours
Hours below target: 8.5
Hours above target: 1.5

Acute sleep debt (a single short night) recovers in one or two long sleeps. Chronic debt over weeks compounds and is harder to repay. Sleep researchers find that you can't fully bank surplus the way you can bank debt; oversleeping past 9–10 hours has its own costs (grogginess, schedule shift, headache).

About

Enter how much sleep you got each night this week and your nightly target. The tool tracks total hours, hours below target (debt), hours above (surplus), and net debt. Surplus on weekends only partly cancels weekday debt.

How to use

  1. Set your nightly goal.
  2. Enter each night's hours.
  3. Read your weekly debt.

FAQ

Can I really pay back sleep debt on weekends?+

Partly. Acute debt (one short night) recovers in a single long sleep. Chronic debt over weeks builds up cognitive deficit you can't fully erase by sleeping in. Schedule consistency matters more than total hours past a point.