Sleep Calculator : Time, Cycle app for iPhone and iPad

The sleep calculator is an application that helps you improve your sleeping habits. It has two main functions:

- Sleep cycle calculator: This feature calculates the optimal time for you to go to sleep based on your wake-up time and the 90-minute sleep cycle.

- Sleep duration calculator: This feature calculates the bedtime and wake-up time based on the desired sleep duration.

This app is user-friendly and easy to use. We are always ready to assist you. If you have any requests or questions, please do not hesitate to contact us.
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