Sleepy by Massimiliano Fanciulli
10,000 - 50,000 downloadsAdd this app to your listsTweets por @Appszoom
You can track the total slept time and additional parameters like REM time, Light deep slept time, time woken and many others.
Sleepy gives you a graphical overview of the tracked data for a better understanding of the changes in sleep cycles.
You need a Runkeeper account to use this app.If you don't have one you can subscribe directly trhough the app. This gives you access to the Runkeeper website and to an ecosystem of apps submitting data to it.
* Opened Pro features but added more advertising. Pro still exists as option to fully remove advertising.