Developed by the Monroe Institute during 40 years of research Hemi-Sync® tapes and CD's were designed to provide an avenue to alter and focus ones own brain wave patterns by synchronizing both sides of the brain to accomplish a desired mind body state. Common applications include: Health, wellness, personal growth, ADDHD, dehab/rehab, natural childbirth, learning, memory, pain management, surgery, sleep disorders, stress, relaxation, meditation, spiritual development, exploring states of consciousness, and out of body experiences.