Sleep Cycle - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.

Trivia Crack - Produced by Etermax, Trivia Crack lets players answer trivia questions and compete against other people on mobile devices.

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.

QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.

Pillow for iOS - An iOS companion that helps you sleep better 💤

Akinator - Akinator is an entertainment app that acts like a digital genie that can read your mind. The game will ask you a few questions about the character you have chosen, and it will attempt to guess the character from your provided answers.