This sleeping aid features safety, reliability and convenient use, requiring low treatment cost. It is mainly applicable to sleep promoting and adjuvant treatment of insomnia result from high blood pressure, neurasthenia,Menopause syndrome, nerve stress and accelerating life pace. It is ideal apparatus for medical institution of each level, sanatoriums and households, providing the insomniac with a kind of modern means of physical therapy(non-drug therapy), It is green avenue to normal sleep