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[APP][Free] 90night- A Sleep Cycle Calculator

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http://forums.androidcentral.com – Hey everyone! I have developed an app that calculates the most optimal times for you to wake up based on the fact that sleeping works in cycles of 90 minutes (similar to the idea of the website sleepyti.me). That's why sometimes you might have a ton of hours of sleep yet still feel cranky (because you most likely woke up in the middle of one of your cycles). Here are the links: free version and paid version Features included in 90night: The ability to set how long it takes you to fall asleep and 90night will use that time in it's calculations Support for both 12/24 hour format (wi (HowTos)