## More REM sleep linked to lower risk of 83 diseases ## Tracking sleep in more than 95,000 people revealed striking links between sleep patterns and long-term health. Greater amounts of REM and deep sleep were associated with lower risks of dozens of diseases, and less than 5 hours of total sleep was associated with high risks of disease, according to a new study published September 17th in the open access journal PLOS Medicine by Shengzhi Sun of Capital Medical University, China, and colleagues. Sleep quantity and quality is a priority of China’s National Health Commission and a focus in…