Dreamlight - Smart sleep mask using your genetic data to schedule sleep
SleepBot - SleepBot is a sleep tracking app available in Google Play and the Apple App Store.
Pzizz - Sleep at the push of a button! Now with "Focus"
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.
Sleepfulness - The beautifully effective sleep app, powered by mindfulness.
Sleep Cycle Alarm Clock - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.