By Michael By April McCarthy Gentle sound stimulation — such as the rush of a waterfall — synchronized to the rhythm of brain waves significantly enhanced deep sleep in older adults and improved… …read more
Read more here: Natural Blaze
By Michael By April McCarthy Gentle sound stimulation — such as the rush of a waterfall — synchronized to the rhythm of brain waves significantly enhanced deep sleep in older adults and improved… …read more
Read more here: Natural Blaze
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