Long Objective Sleep Duration is a Marker of Cognitive Impairment in Older Adults: Findings from the Cretan Aging Cohort

 We examined associations between objective sleep duration and cognitive status in older adults initially categorized as cognitively non-impaired (CNI, n = 57) or diagnosed with mild cognitive impairment (MCI, n = 53). On follow-up, 8 years later, all participants underwent neuropsychiatric/neuropsy...

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Published in:JAD reports 2024-01, Vol.8 (1), p.927-934
Main Authors: Basta, Maria, Bouloukaki, Izolde, Skourti, Eleni, Zampetakis, Alexandros, Alexopoulou, Christina, Ganiaris, Andronikos, Aligizaki, Marina, Zaganas, Ioannis, Simos, ‘Panagiotis, Vgontzas, Alexandros
Format: Article
Language:English
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Short Communication
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Summary: We examined associations between objective sleep duration and cognitive status in older adults initially categorized as cognitively non-impaired (CNI, n = 57) or diagnosed with mild cognitive impairment (MCI, n = 53). On follow-up, 8 years later, all participants underwent neuropsychiatric/neuropsychological evaluation and 7-day 24-h actigraphy. On re-assessment 62.7% of participants were cognitively declined. Patients who developed dementia had significantly longer night total sleep time (TST) than persons with MCI who, in turn, had longer night TST than CNI participants. Objective long sleep duration is a marker of worse cognitive status in elderly with MCI/dementia and this association is very strong in older adults.
ISSN:2542-4823
2542-4823
DOI:10.3233/ADR-230203