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90night: SleepyTime Calculator screenshot 1
90night: SleepyTime Calculator screenshot 2
90night: SleepyTime Calculator screenshot 3
90night: SleepyTime Calculator screenshot 4
90night: SleepyTime Calculator screenshot 5
90night: SleepyTime Calculator screenshot 6
90night: SleepyTime Calculator screenshot 7
90night: SleepyTime Calculator screenshot 8
Description
Do you ever find yourself waking up feeling cranky even though you had a decent amount of sleep?Or have you taken a nap and felt great one time yet felt horrible another time?The reason for such scenarios is that you most likely woke up in the middle of one of your sleeping cycles.Sleeping works in cycles of 90 minutes. That is why you might get a good amount of sleep yet still feel tired (because you most likely woke up in the middle of one of your sleep cycle).With 90night (a sleep cycle calculator inspired by the popular website sleepyti.me [Sleepytime, Sleepy time]), you can calculate the times you can wake up if you know when you are going to sleep or you can calculate the times you can go to sleep if you know when you are...