4 January 2009

Quantifying the risk of neurodegenerative disease in sleep disorders

Sleep disorder may be early sign of dementia or Parkinson’s disease
American Academy of Neurology: 25 December 2008
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 December 24, 2008, online issue of Neurology, the medical journal of the American Academy of 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, kicking, or crying out, essentially acting out their dreams. … > full story : McGill University press release : comment from Alzheimer’s Society (UK)

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