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Article: Sleep disorder may be early sign of dementia or Parkinson's disease
- Article from:
- Xinhua News Agency
- Article date:
- December 25, 2008
CopyrightCopyright 2008 Xinhua News Agency. Provided by ProQuest LLC. (Hide copyright information)
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Sleep disorder may be early sign of dementia or Parkinson's
disease
WASHINGTON, Dec. 25 (Xinhua) -- People with a sleep disorder that
causes them to kick or cry out during their sleep may be at greater
risk of developing dementia or Parkinson's disease, according to a
study published in the Dec. 24 online issue of U.S. journal
Neurology.
The sleep disorder is called REM sleep behavior disorder. People
with the disorder do not have the normal lack of muscle tone that
occurs during REM sleep, often known as the dream stage of sleep.
Instead, they have excessive muscle activity such as punching,