Considering how much time cats spend asleep it seems reasonable that they would have dreams. Cats sleep 15 hours a day on ...

Recent studies reveal how the timing of dreams may offer clues to Alzheimer's risk. How sleep patterns impact cognitive health and prevention.

Researchers have discovered that positive emotions enhance perceptual memories during sleep, particularly in the non-REM stage.

REM sleep goes even deeper into brain recovery, dreaming and processing memories and emotions. This is the sleep stage in ...

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

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 developing Alzheimer's disease.

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.

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

Researchers at the RIKEN Center for Brain Science (CBS) have uncovered how perceptual memories linked to positive emotions, ...

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

Prolonged rapid eye movement (REM) latency may be a potential marker for Alzheimer disease and Alzheimer disease and related dementias (AD/ADRD).