During REM sleep, your heart rate, blood pressure, brain activity, and breathing increase. “Your eyes move rapidly, even though they are closed. The muscles in your arms and legs also become ...

One prevailing hypothesis suggests that REM sleep is important in processing memory traces. Here, using positron emission tomography (PET) and regional cerebral blood flow measurements ...

There are usually four to five sleep cycles through the duration of a healthy sleep. REM sleep is characterised by fast eye movements and often features dreaming. It’s a state below wakefulness, but ...

The study, which was published in the journal Alzheimer’s & Dementia on January 27, specifically looked at the relationship between REM sleep and Alzheimer’s disease. But what’s the link ...

REM sleep goes even deeper into brain recovery, dreaming and processing memories and emotions. This is the sleep stage in which your eyes move rapidly. If you've ever caught your dog or cat in a REM ...

Taking longer to enter the dream phase can interfere with the consolidation of memories and upset the regulation of emotions, researchers say. Delayed REM sleep may be a potential indication of ...

Share on Pinterest Scientists have discovered a link between REM sleep and risk for Alzheimer’s disease. Vera Vita/Getty Images Alzheimer’s disease and Alzheimer’s disease-related dementias ...

Longer REM latency correlates with increased AD biomarkers, highlighting potential new diagnostic marker. Study: Association of rapid eye movement sleep latency with multimodal biomarkers of ...