This video segment adapted from NOVA scienceNOW considers the purpose of sleep and, in particular, the connection it shares with memory. By studying the dreams of rats, researchers are hoping to gain ...

describes sleep studies involving fruit flies—after a night of being jostled in a "deprivator," sleep-deprived flies need to catch up on lost sleep. states that sleep is fundamental to essentially all ...

The news: Ever wondered why some people can get a whole lot less sleep than others and still function? Their secret isn't just coffee — it might also be their DNA. Published in the journal Sleep, ...