Sleep Calculator
Calculate optimal bedtime and wake-up times based on sleep cycles.
How to Use
- Enter your desired wake-up time.
- Select the number of sleep cycles.
- Check the recommended bedtime.
FAQ
What is a sleep cycle?
A sleep cycle is approximately 90 minutes and includes light sleep, deep sleep, and REM sleep stages.
How many hours of sleep are recommended?
7-9 hours of sleep is recommended for adults, which equals about 5-6 sleep cycles.