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Cross-sectional and longitudinal associations between sleep disturbances and psycho-affective symptoms in older adults: influence of amyloid positivity

2026-01-21 psychiatry and clinical psychology Title + abstract only
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BackgroundPsycho-affective symptoms and repetitive negative thinking (RNT) may increase Alzheimers disease (AD) risk. As sleep plays a key role in emotional regulation, we investigated both cross-sectional and longitudinal associations between sleep disturbances and psycho-affective health, according to amyloid-beta (A{beta}) status. MethodsOne hundred and thirty-four cognitively unimpaired older adults from the Age-Well interventional study (mean age = 68.8 {+/-} 3.8 years; 82 women; 37 A{beta...

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