Scientists have developed a wearable ultrasound patch that could help people get more REM sleep without taking medication or undergoing surgery. The technology, developed by researchers led by the University of Texas at Austin, uses gentle ultrasound waves to stimulate areas deep inside the brain that are involved in sleep. At the same time, the […] The post New Ultrasound Patch Could Help People Reach Deep, Restorative REM Sleep Faster appeared first on Knowridge Science Report .