The genre of science fiction has a lot to say about sleep. Here are 11 great stories, from TV, film and books.

As we get older, the quality of our sleep decreases naturally, and for many elderly people, having a good night's sleep seems like an impossible dream. Research indicates that as many as 1 in 5 older ...

Research shows that people who sleep poorly tend to have brain age that is older than their actual age. Chronic inflammation in the body caused by poor sleep likely plays a part.

Can weekend sleep repay sleep debt from the workweek? A Medanta sleep specialist explains why extra weekend hours may reduce ...