Meditation Relax Music Channel presents Relaxing Music for Deep Sleep Music: Delta Waves |. 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. #deltawaves #deepsleep #relaxing Music: Delta Waves: Sounds of Universe https://itunes.apple.com/us/album/brain-waves-vol-1-alpha-delta-theta-waves-music-for/1078883163 For more relaxation and meditation music please subscribe http://www.goo.gl/Zb09LF Original language of this video description is English. All other translations were made by Google Translator. Sorry for any inconvenience !! ITUNES https://itunes.apple.com/us/artist/mrm-team/id1042049102 See other links in "About" Section or Google