With the help of Sleepy know when to wake up so that you don't feel grumpy. Waking in the middle of a sleep cycle and ruin the mood for the rest of the day.
It calculates the time you end your 5th, 6th and 7th sleep cycles so you can wake at just the right time.
* Know when to wake up based on the time you go to bed
* Know when to go to sleep based on the time you want to wake up
* Set an alarm automatically by selecting one of the given times (android 2.3+)
Inspired by http://sleepyti.me
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