Nature Communications (Apr 2021)

Association of sleep duration in middle and old age with incidence of dementia

  • Séverine Sabia,
  • Aurore Fayosse,
  • Julien Dumurgier,
  • Vincent T. van Hees,
  • Claire Paquet,
  • Andrew Sommerlad,
  • Mika Kivimäki,
  • Aline Dugravot,
  • Archana Singh-Manoux

DOI
https://doi.org/10.1038/s41467-021-22354-2
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 10

Abstract

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Sleep dysregulation has been linked to dementia, but it is unknown whether sleep duration earlier in life is associated with dementia risk. Here, the authors show higher dementia risk associated with short sleep duration (six hours or less) in a longitudinal study of middle and older age adults.