Sleepy Sounds is an iPhone app that can turn your phone into a baby mobile or noise maker. It is a perfect app for parents who are looking for something to soothe their babies to sleep. The app features three different categories of sounds: Lullabies, White Noise, and Nature Sounds. You can choose the sound that best suits your baby's preferences.

One of the best features of Sleepy Sounds is that you can select how long you want the music or sounds to play for. The app will loop the sounds until the time you set has finished. Moreover, when you start the music or sounds, your phone will start a looping animation, which can light up a dark room. This feature can help your baby feel more comfortable and relaxed.