Estimate hours of sleep debt as (need − got) × days of that pattern.
| Debt (h) | – |
Use this calculator for debt = (hours needed per night − hours actually slept) × number of days. A negative result means you slept more than the need you typed. This is a napkin total, not adenosine kinetics, and you cannot bank sleep like cash. Epworth is a different sleepiness page.
Need (h / night): Hours you think you need.
Got (h / night): Hours you actually slept.
Days: How many nights of that pattern.
Debt (h): Cumulative hours of debt (or surplus if negative).
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