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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.