ArticleAlzheimer's & dementia : the journal of the Alzheimer's Association2025
Sleep duration promotes resistance and resilience to tau in older women at risk for Alzheimer's disease.
Article in Alzheimer's & dementia : the journal of the Alzheimer's Association, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Joint impact of pathological burden and cognitive resilience on Alzheimer's disease risk.Nature medicine · 2026Article
- Menopausal insomnia as a modifiable node of dementia risk: Mechanistic insights and intervention strategies.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Review
- APOE ε4 and amyloid status moderate the associations between sleep, physical activity, and tau-PET burden in cognitively unimpaired older adults.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Article
- Sleep duration promotes resistance and resilience to tau in older women at risk for Alzheimer's disease.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025Article
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Authors and funding
11 authors.
Funding
Abstract
introductionResistance and resilience are pathways through which modifiable behaviors may reduce Alzheimer's disease (AD) risk. Sleep - a known modifiable factor - is understudied in this context, especially among older women at elevated risk for AD.
methodsForty-five functionally intact older women (≥65 years) at heightened risk for AD completed wrist actigraphy to capture average nocturnal sleep duration. Tau positron emission tomography imaging (
resultsShorter sleep duration amplified the association between APOE ε4 status and tau, while longer sleep mitigated it. Similarly, tau burden was related to worse memory performance only among those with short sleep duration. DISCUSSION: Longer sleep duration may promote resistance and resilience to AD in at-risk older women, highlighting sleep as a critical intervention target. HIGHLIGHTS: Sleep was measured via wrist actigraphy, tau via PET imaging, and memory with a composite score. Longer sleep attenuated the link between APOE ε4 carriership and tau PET across Braak regions. Greater sleep duration weakened the negative impact of tau on memory performance. This is the first study to examine sleep in AD resistance and resilience among older women at heightened risk.
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