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

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

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

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

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 ...

What has puzzled researchers and philosophers for many centuries is the ‘why’ of sleep, along with the ‘how’. We human animals know from experience that we need to sleep, ...

Delayed REM sleep may be linked to a higher risk of Alzheimer’s disease, new research found. Here's how to build a healthy sleep routine.

Wearable devices have pulled terms like "REM sleep" from scientific literature to daily discussion points. But what can ...

A new study showed that people who took longer to enter this dream phase of sleep had higher levels of amyloid beta and tau, ...

Prolonged rapid eye movement sleep latency may be an early indicator of Alzheimer’s disease and related dementias, according ...

Among patients with iRBD, altered visuospatial cue-elicited N2 and P3 ERPs predicted phenoconversion to α-synucleinopathies.