Sleep Cycle - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.
Pzizz - Sleep at the push of a button! Now with "Focus"
Pokémon Sleep - This sleep app gives you something fun to look forward to when you wake up in the morning.
Rise: Track Sleep & Circadian - Wake up & fall asleep better
Sleep Calculator - Want to wake up in a good shape?
Enough Sleep - Boost your performance by getting enough sleep!