Pzizz - Sleep at the push of a button! Now with "Focus"
Sleep App - Relax, meditate & sleep
Sleep Better - Track sleep cycles, monitor dreams & improve bedtime habits
Pulse - Pulse is an application that downloads pictures from the internet and uses those images to automatically change your wallpaper.
Awaken - Wake up to Awaken playing your favorite music.
Sleep as Android - Common alarm clocks ignore your sleep cycles, they wake you on schedule no matter your are currently in your deep sleep. Waking up from deep sleep is unpleasant, it makes you tired and it may negatively affect your productivity during the whole day.