The busy box that is your brain is hard at work all day long—and it doesn’t quit when you’re asleep. Not only does your brain fill your slumber with dreams, it also goes right on solving the problems ...

Sleep disorders may be tied to long-term health effects. Sometimes, sleep can feel like a bit of a nuisance—it’s often the first thing people give up when there isn’t enough time in the day. But ...

Researchers have long wished to understand the connection between sleep and memory, especially how the brain encodes long-term memories during slow-wave sleep (while discarding others), or the deep ...