Not only must your brain maintain a vast archive of existing memories, but it also has to keep track of new stuff each day. That requires getting ready to deal with new memories before they occur, ...

Memory formation, storage, and retrieval are fundamental processes that define who we are and how we interact with the world. At the cellular level, these processes rely on specialized neurons called ...

What is a sleep study? A sleep study, also known as a polysomnogram, is a diagnostic test that monitors various body functions while a person is asleep. It is most commonly used to diagnose sleep ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. A restless night may leave you feeling tired ...

In terms of sleep, the Evolution of Pathways to Insomnia Cohort (EPIC) study shows that those who deal directly with stressful events are more likely to experience good sleep quality. Using medication ...

Evidence is mounting that specific gut bacteria are linked to sleep conditions, which may open the doors to dietary ...