Sleep Health Tools

Calculators for sleep debt, age-based sleep needs, quality assessment, and the real cost of sleep deprivation. Based on NSF guidelines and peer-reviewed research.

Sleep Debt Calculator

Log your week's sleep and find your total debt, severity rating, and estimated recovery time.

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How Much Sleep Do I Need?

NSF age-based sleep recommendations with lifestyle adjustments. Find your personal sleep target.

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Sleep Deprivation Cost

Quantify the cognitive and productivity cost of your sleep debt, in hours and dollars.

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Sleep Quality Score

An 8-question assessment that scores your sleep quality and surfaces your top improvement areas.

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Other calculator clusters:

Timing Tools →Situation Tools →Circadian Tools →All Calculators →

Educational information, not medical advice. Consult a healthcare provider for sleep disorders or before taking any supplement.