Delta brainwaves dominate during deep sleep. It is during this deepest state of complete relaxation that your body heals itself, and resets its internal clock. The delta state is a dreamless, completely unconscious sleep state that allows your body and brain to rest and repair. Without it, you could not survive!
By listening to sleep music that contains delta frequency binaural beats, you can stimulate the production of delta frequencies in your brain. This is one of the most effective ways to encourage your mind to release itself from the overactive waking state and enter into the sleep state.
The beauty of specialized music is to heal the body on a sleeping or awakened state!