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Frequent Daytime Naps Linked to 48% Greater Risk of Dementia, Study Says

Researchers found that older adults who napped most days had a 48% higher dementia risk in a 10-year study of 995 Medicare beneficiaries.

  • A 10-year study of nearly 1,000 Medicare beneficiaries recently published in The Journals of Gerontology found older adults who nap most days or every day have a 48% higher risk of developing dementia.
  • Unintentional daytime napping was linked to a 39% higher dementia risk, while naps lasting 30 minutes or less were associated with a 40% higher risk, according to the research.
  • Researchers noted that the link between frequent napping and dementia remained significant even after they adjusted for participants' nighttime sleep quality, health status, and other factors.
  • The correlation held steady even when the team excluded individuals who were diagnosed with dementia during the first five years of the study.
  • Future investigations utilizing clinical evaluations and wearable sleep monitors could help confirm these results and better understand the relationship between napping habits and cognitive decline.
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Frequent daytime naps linked to 48% greater risk of dementia, study says

Older adults who nap frequently may face a higher risk of dementia, according to a 10-year study.

·Cincinnati, United States
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MedPage Today broke the news in New York, United States on Tuesday, October 20, 2026.
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