Many people all over the world go through abnormal sleeping patterns, or disturbed sleep. Especially elder people suffer from such sleep as the deep sleep phase continues to grow shorter with age. Now a team of researchers at ETH Zurich Research Institute developed a wearable device that is designed to play specific sounds to improve deep sleep. When tested in a clinical study, the ne... https://www.coherentmarketinsights.com/news/novel-wearable-device-improves-sleep-quality-of-users-676