The _Why We Sleep_ book that everyone's been recommending lately (and I will also add my recommendation) says exactly this. There is no known evidence that anyo

The _Why We Sleep_ book that everyone's been recommending lately (and I will also add my recommendation) says exactly this. There is no known evidence that anyone has ever been harmed by too much sleep. Rather it seems that people who sleep for an extra long time could have some health problem or sleep issue which causes their body to need more.