You will relax with soothing spa soft music, beautiful songs used in spa to relax and take stress.Close your eyes, put on the headphones and choose one of the natural sounds and relax or sleep better.Train your concentration and relax listening to the natural sound. Choose a time and not think about anything until the sound ends. Should gradually increase the time to increase the concentration.Disclaimer: The videos contain fast changing images. Please DO NOT WATCH the video if you are photosensitive.