Binaural beats therapy at 2 Hz falls into the Delta waves frequency of the brain. Delta waves are the waves in the brain where meditation is triggered. People who use binaural beat therapy to improve their sleeping habits find that the binaural beats of 2 Hz induce good feelings and a sense of calm.
People who are calm and feel good when they fall asleep experience deep dreamless sleep; the delta waves are seen mostly in babies as they have not had the experience of stress before sleep and fall into deep sleep which is often dreamless.
Binaural beat therapy is dangerous for people with epilepsy or any other type of mental disability. It is also important to note that not everyone experiences any benefits whether positive or negative from binaural beat therapy.