This free version contains Deep Relaxation Lucid Mind Rainnn nThe best naturally relaxing sound nTruly miraculous relaxation that will keep you feeling rejuvenated once more. nClose your eyes, put on a headphone , touch this application, put the device to sleep, and let your relaxation be at ease. nAbsolute pure relaxation from authentic sounds, not artificial but real sounds. nThese sounds do not loop back and forth, it's 100 real. n nFeatures: n24 hour Timer nAutomatic slideshow nBeautiful Wallpaper n nDEEP RELAXATION RAIN contains GAMMA WAVES DELTA WAVES nnGamma Waves: idea focus acuity nGamma brain waves cycles at 40 Hz which is associated with problem solving in both adults and children. Gamma waves are known to aid in learning and mental acuity nPeople who experience learning difficulties and lack mental concentration are deficient in Gamma brainwave activity nIn Gamma waves your brain is awake, alert and is in the most focus state possible nGamma activity increases your mood and compassion which works well as method to treat depression nnDelta Waves:tranquilize soothe rejuvenate nnDelta waves cycles at 1 4 Hz. Delta brain waves become active when your brain is in deeper stages of sleep. In this state you are asleep unaware of your physical being. This state promotes an important process for the brain to heal itself natural well being nDelta waves releases antiageing hormones, heals and repairs muscles. It is the deepest states of relaxation nnUse this app while you sleep, read, study, work, or exercise Doctor's 1 recommendation for mental illness treatment nnCollect More Apps for Free or Pro version search napuru in the Appstore