Hypersomnia
In the 5th edition of the Diagnostic and Statistical Manual of Mental Disorders, published in May 2013, hypersomnia appears under sleep-wake disorders as hypersomnolence, of which there are several su...
Lie-in danger as sleeping for eight hours can increase stroke risk
Researchers in Cambridge discovered the disturbing link between oversleeping and stroke after following 10,000 men and women aged betwen 42 and 81 over a period of nine years.