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Editorial
July 6, 2020

Should Neurologists Be Concerned With REM Sleep Quantity?

Author Affiliations
  • 1Department of Neurology, University of Florida, Gainesville
  • 2Department of Neurology, University of California, San Francisco, San Francisco
  • 3Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
JAMA Neurol. 2020;77(10):1209-1210. doi:10.1001/jamaneurol.2020.2122

The association between sleep and overall health and well-being has long been of interest to physicians, researchers, and the general public. At the highest level, a simple U-shaped association between total sleep time and mortality has been described from as early as 1964.1 Those who sleep approximately 7 hours are at the lowest point in the curve, with the lowest mortality risk. Mortality increases incrementally as one moves in either direction on the curve, with a marked rise for those sleeping less than 4 hours or more than 10 hours. This association holds true for both sexes and across races/ethnicities and continents.2

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