Both too little and too much sleep may be linked to faster aging throughout the body. Researchers analyzing 23 biological aging clocks found the lowest aging levels among people sleeping about 6.4 to 7.8 hours per day. Short or long sleep was also associated with numerous conditions affecting the brain, heart, lungs, metabolism, and digestive system.
Source: https://www.sciencedaily.com/releases/2 ... 094156.htm
Source: https://www.sciencedaily.com/releases/2 ... 094156.htm
