Medically reviewed by Smita Patel, DO Sleep is essential to memory function. Insufficient sleep makes concentrating, ...

Breath during sleep be a key component that helps the brain's memory hub do the best job possible to store and reinforce ...

Here’s what you’ll learn when you read this story: We have evolved a sleep cycle that goes from non-REM to REM sleep and back again, but until now, the biological function of this oscillation was ...

Two particular phases in your nightly routine seem to play outsize roles in cognitive health. By Mohana Ravindranath A good night’s sleep isn’t just about the number of hours you log. Getting quality ...

The amount of REM sleep you get may influence which details of your memories remain in storage, a new brain study suggests. The sleep cycle is split into four stages: one stage of rapid eye movement ...

Late-night scrolling isn’t the only thing sabotaging your slumber. New research suggests that a common daily habit may send your brain into overdrive while you sleep — even if you do it hours before ...

After about age 40, our brains begin to lose a step or two. Each year, our reaction time slows by a few thousandths of a second. We're also less able to recall items on a shopping list. Those changes ...