I love this app, it provides a variety of different styles of sounds for whatever mood you're in . Whether you're trying to relieve some stress , or just looking forward to getting rid of that annoying headache . I truly recommend this app . Whether it's for some quick energy boost or sleepless nights , I can always count on it to do its job . For sleep , I usually listen to the "high stress to deep sleep " one, I find it to be very soothing , relaxing , and calm . Helps me fall asleep ,faster and much more easier .