This deeply meditative binaural beat uses the theta brainwave frequency to entrain your brainwaves to the theta state. This will induce feelings of extreme relaxation and will promote REM sleep. This is the deepest level of sleep giving you a more restful and enjoyable nights sleep . To fully enjoy the effects of this track; use headphones if listening to the binaural version. The isochronic version is designed to be enjoyed on all speakers, making isochronic tones perfect for yoga or meditation. Click here for more information on the differences between Binaural Beats and Isochronic Tones.