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Study Shows Sleep Helps Keep Brains Healthyi
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October 21, 2013 10:19 PM
Why do we need sleep? Scientists have found a possible answer to this age-old question. And, as VOA's Carol Pearson reports, the answer may lead to new treatments for neurological disorders such as Alzheimer's or Parkinson's disease.

Study Shows Sleep Helps Keep Brains Healthy

Published October 21, 2013

Why do we need sleep? Scientists have found a possible answer to this age-old question. And, as VOA's Carol Pearson reports, the answer may lead to new treatments for neurological disorders such as Alzheimer's or Parkinson's disease.