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 ...

Struggling with ongoing sleep problems could do more than leave you groggy—it may accelerate memory decline and increase the risk of dementia. This is the warning of a study that found that older ...

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

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 ...

From babies who cry through the night to teens who sleep all morning to older adults who just can’t seem to catch any z’s, sleep patterns and the amount of sleep you need change throughout our lives.