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Sleep Calculator

Calculate optimal sleep times based on sleep cycles to wake up refreshed.

minutes

Optimal Sleep Times

Sleep Cycle Overview

Deep Sleep Light Sleep REM Awake

A complete sleep cycle lasts about 90 minutes. Waking at the end of a cycle helps you feel refreshed.

Sleep Health Tips

Consistent Schedule

Going to bed and waking up at the same time every day helps regulate your body's internal clock.

Limit Screen Time

Avoid screens 1 hour before bedtime as blue light can interfere with melatonin production.

Watch Caffeine

Avoid caffeine in the afternoon and evening as it can stay in your system for 6-8 hours.