In his wildest dreams, HHMI Investigator Massimo Scanziani never imagined he'd study sleep. But, when a postdoc in the lab ...

While you sleep tonight, your brain will quietly replay pieces of your day. Not like a movie, and not in order, but in rapid, ...

Your dreams and sleep quality are linked. Here's what vivid dreams, recurring nightmares and REM cycles are already telling ...

REM stands for rapid eye movement — a stage in the sleep cycle when your brain is almost as active as when you’re awake. Getting enough REM sleep is crucial, as it helps you store information and ...

Scientists can now engineer dreams. Here's what yours is already telling you about your sleep quality every single night.

Hasegawa et al. first used a fluorescence-based sensor to measure dopamine levels in the amygdala of mice as they naturally cycled between wakefulness and non-REM and REM sleep. Dopamine release in ...

While it is certainly true that rapid eye movement (REM) sleep functions, in part, to promote a healthy waking mind, there are compelling reasons to believe that the opposite is the case as well: the ...

Relapse presents a major barrier to recovery from substance use disorders -- when people begin taking drugs such as cocaine again after a period of abstinence. Sleep disruptions have long been ...

From white noise to ambient music, research shows sleep sounds may help some people rest better—but experts say volume, ...