You want to relax, sleep better, and increase concentration? This app is ideal for people who are tired, stressed, with insomnia and had a hard day of work because it has natural soothing sounds of ocean waves, sound of rain, sound of animals of the forest, sound of forest, sound of flowing of water. 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 thin