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 ...

Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is crucial for numerous bodily functions. But how to increase deep sleep isn’t ...

Neuroscientists studying the shifts between sleep and awareness are finding many liminal states, which could help explain the disorders that can result when sleep transitions go wrong Yasemin ...

Sleep often becomes lighter and more fragmented with age. A neurologist explains why older adults wake up more at night, when ...