Tagged: REM sleep bahavior disorder

Sleep gives brain disease warning

Physically “acting out” dreams when asleep could be an early warning sign of dementia or Parkinson’s disease.

Canadian researchers studied 93 people with “REM sleep behaviour disorder“, which can involve punching or kicking out while dreaming.

The Neurology study found more than a quarter were diagnosed with a degenerative brain condition over the next five years.

UK experts said the research could help doctors predict the condition.

Normally, during “Rapid Eye Movement”, or “REM” sleep, our muscles relax and do not move, but people with certain sleep disorders are able to lash out, or cry out.

It is a known symptom of some kinds of brain disease, including Parkinson’s disease, and a rare form of dementia called Lewy body dementia.

As always, you must read the article for all the ifs, ands and buts. And don’t get too paranoid. I myself, on one occasion I know of, cried out in my sleep [I thought I was falling], and on another occasion I kicked so hard that I killed my toe hitting a piece of furniture nearby. [I was dreaming that I was down on the floor and was kicking up at an attacker.] Both of these occurrences were quite a few years ago.

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