15
Mar
Sleep Music Delta Waves:
Relaxing Music to Help you Sleep, Deep Sleep, Inner Peace and Autogenic Training. Relaxing Sounds for Relaxation Meditation, Tai Chi and Reiki. Meditation Music Video, Meditation Video with Delta Waves to Help you Sleep.
9 Hours Relaxing Music for Deep Sleep. 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.
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