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Search - Delta Sync Sleep System: Breakthrough Audio Technology Combines Brainwave Frequencies With Ambient Music to Promote Deep Sleep

Delta Sync Sleep System: Breakthrough Audio Technology Combines Brainwave Frequencies With Ambient Music to Promote Deep Sleep
Delta Sync Sleep System Breakthrough Audio Technology Combines Brainwave Frequencies With Ambient Music to Promote Deep Sleep
Author: Jeffrey Thompson
Thompson employs "brain-wave entrainment," to help listeners relax and fall asleep. Features music, recordings of nature and NASA space sounds. 2 cassettes.
ISBN-13: 9781559612265
ISBN-10: 1559612266
Rating:
  • Currently 4.5/5 Stars.
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4.5 stars, based on 1 rating
Publisher: Relaxation Co
Book Type: Audio Cassette
Members Wishing: 0
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