Meditation Relax Music Channel presents calming music with 2.5Hz delta waves to fall asleep fast, for deep sleeping, to beat insomnia, positive and lucid dreaming Also it is excellent as soothing background music for stress relief, music for meditation, yoga, massage, healing therapy. Have a perfect relaxation ! Delta 2.5Hz is associated with pain relief and relaxation; this is due to the frequency causing production of endogenous opiates. This frequency can effective be used for its sedative effect and has reported use on bleeding, bruises, insomnia, and sinusitis. It may also be associated with sexual stimulation. A delta wave is a high amplitude brain wave with a frequency of oscillation between 0–4 hertz. Delta waves, like other brain waves, are recorded with an electroencephalogram (EEG) and are usually associated with the deep stage 3 of NREM sleep, also known as slow-wave sleep (SWS), and aid in characterizing the depth of sleep. Music : "Aurora" from album: "Brain Waves Music, Vol. 1 - Delta Waves", available at https://www.amazon.com/Brain-Waves-Music-Vol-Delta/dp/B07BTN61LS/ref=sr_1_7?s=dmusic&ie=UTF8&qid=1523171449&sr=1-7&keywords=Mrm+Team&refinements=p_n_feature_browse-bin%3A625150011