Optimize your sleep with our free Sleep Cycle Calculator. Understand how sleep cycles work to find the best times to go to bed or wake up refreshed. Improve your sleep quality, boost energy, and enhance well-being by aligning with natural sleep stages.
Formula:
The Sleep Cycle Calculator is based on the concept that a typical human sleep cycle lasts approximately 90 minutes (1 hour 30 minutes).
- To find optimal bedtime: Subtract 90-minute intervals from your desired wake-up time.
- To find optimal wake-up time: Add 90-minute intervals to your desired bedtime.
A full night's rest often involves 5-6 complete sleep cycles.