Sleep Cycle Calculator

Find the best time to go to bed or wake up by aligning with your natural 90-minute sleep cycles to feel refreshed and energized.

Wake Up Feeling Refreshed

Our Sleep Calculator is designed to help you discover the perfect times to sleep and wake up for maximum rest and energy. By aligning with natural **90-minute sleep cycles**, this tool ensures you wake up at the end of a cycle, feeling refreshed instead of groggy and tired.

How Does it Work?

A good night's sleep consists of 5-6 complete sleep cycles. Waking up in the middle of a cycle can leave you feeling disoriented. This calculator helps you plan your bedtime based on your desired wake-up time, or vice-versa, factoring in the following:

  • Each sleep cycle lasts approximately **90 minutes**.
  • It takes the average person about **14 minutes** to fall asleep.

Calculate Bed Times


Calculate Wake-Up Times

If you go to bed right now, you should wake up at: