Sleep Debt Calculator
Calculate your weekly sleep debt by comparing your actual sleep to the recommended 8 hours per night.
How to use this tool
- Enter average sleep per night, recommended sleep and days tracked in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your total sleep debt and the full breakdown beneath it.
Track how much sleep you owe yourself and plan a recovery schedule.
Frequently asked questions
- How much sleep debt is too much?
- Most experts consider more than 10 hours of accumulated sleep debt per week to be significant. Prioritise getting 7–9 hours of sleep per night to avoid chronic sleep deprivation.