This app is the best sleep sound/music app Ive tried. The only thing that bothers me is the size of the app (because I have a 16g 6plus -_-) but other than that its one of the only ways I can fall asleep some nights. If youre having trouble too, theres no hurt in trying it out for a night.
Kristen42676 about Power Sleep & Nap | AmbiScience™ • Binaural & Isochronic Ambient Sleep Utility, v1.4