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Under-Mattress Sensors Predict Dementia Agitation: 333-Night Cohort

Stylized illustration of an under-mattress sensor connected to a clock and waveform pattern, indicating overnight respiratory and movement signals predicting next-day behavioral risk in a dementia care setting.

Daytime agitation in dementia fluctuates day-to-day, and a 2026 explanatory study from Liu et al. used contactless under-mattress sensors in 55 long-term-care residents and an external 17-person home-monitoring cohort to show that lower nocturnal respiratory rate and higher activity instability robustly predict next-day agitation occurrence — but not severity.1 Research Highlights Lower breathing rate: adjusted …

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