Sleep Cycle - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.
Pokémon Sleep - This sleep app gives you something fun to look forward to when you wake up in the morning.
Sleep Time - Alarm Clock - Sleep Time provides insight into your sleep patterns. By tracking your level of movement throughout the night, Sleep Time generates customized sleep data in easy-to-read charts.
Sleep Calculator - Want to wake up in a good shape?
Sleepty - Sleepty is alarm clock based on sleep cycles. It will help you to wake up in your light sleep cycle.
SleepBot - SleepBot is a sleep tracking app available in Google Play and the Apple App Store.