Sleep Cycle Calculator is really handy – SleepSmart Insomniac Sleep Genius Pro: Relax and Wake Up with Relaxing Melodies Review

I use it to determine when the best time to wake up is. Really easy to use. Great backgrounds and alarm clock features.
Review by CSRosiek on SleepSmart Insomniac Sleep Genius Pro: Relax and Wake Up with Relaxing Melodies.