A new study has found that taking longer to reach the rapid eye movement (REM) stage of sleep is linked to a greater risk of ...

Taking longer to reach the rapid eye movement (REM) stage of sleep could mean you are more likely to develop dementia.

A sleep expert details why you wake up groggy from a nap and how to make the most of your snack-sized slumber.

Prolonged rapid eye movement latency may be a potential marker for Alzheimer disease and Alzheimer disease and related dementias.

Bedding down facing one way or the other is more about personal preference than medical necessity – except for a few select ...