What is Sleep Calculator?

The Sleep Calculator is a web tool designed to help users determine the best time to go to bed in order to wake up feeling refreshed. It calculates the optimal bedtime based on the number of sleep cycles (each approximately 90 minutes) and your desired wake-up time. Using this calculator can improve sleep quality, making it easier to wake up energized and alert.

How to Use :

1. Select Wake-Up Time: Use the time picker to enter the time you need to wake up.
2. Choose Number of Sleep Cycles: Select how many sleep cycles you want to complete (4, 5, or 6 cycles). Each cycle is roughly 90 minutes.
3. Click Calculate: Press the Calculate button to find your optimal bedtime.
4. View Result: The calculator will display the recommended time to go to bed to wake up after completing the selected sleep cycles.