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Dissociating the Nocturnal Physiological Drivers of Agitation Occurrence and Severity in Dementia: An Explanatory Study Using Contactless Sleep Sensing
2026-03-02
geriatric medicine
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INTRODUCTIONAgitation is a common and burdensome neuropsychiatric symptom in dementia that fluctuates from day to day, but objective tools for short-term risk stratification are limited. We examined whether nocturnal physiological signals from unobtrusive under-mattress sensors predict next-day daytime agitation and whether associations differ for agitation occurrence versus severity. METHODSWe extracted cardiorespiratory, movement, and sleep-proxy features from two long-term care cohorts (N=55...
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