Sleep Cycle Calculator: Optimize Your Rest
Use our Sleep Cycle Calculator to find optimal sleep and wake times. Enter your desired wake-up time, and it will calculate the best bedtime based on 90-minute sleep cycles for better rest.
Calculate your optimal bedtime or wake-up time based on sleep cycles. Each cycle is approximately 90 minutes long.
Your Sleep Schedule
Understanding Sleep Cycles
A sleep cycle typically lasts about 90 minutes and consists of the following stages:
- Light Sleep (N1)
- Deeper Sleep (N2)
- Deep Sleep (N3)
- REM Sleep
Sleep Tips
- Maintain a consistent sleep schedule
- Avoid screens before bedtime
- Keep your bedroom cool and dark
- Limit caffeine intake in the evening