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 ...

The annual daylight saving ritual has passed and it serves yet again to remind us how precious our sleep truly is. Or at least most of us will admit to how hard it hits to lose an hour of regularly ...

Long-term use of benzodiazepines and Z-drugs may help older adults fall asleep, but new research shows they alter sleep architecture and brain activity in ways that could undermine memory and next-day ...

Going without sleep for too long kills animals but scientists haven’t known why. Newly published work suggests that the answer lies in an unexpected part of the body. Inside a series of tubes in a ...

Sleep gives your body time to repair itself and carry out important functions, like clearing out waste and releasing hormones. Without these processes, our bodies can’t function correctly. Getting ...

Sleep needs vary dramatically between individuals, with genetics and lifestyle playing bigger roles than previously understood In a world that often glorifies hustle culture and productivity hacks, ...