Sleep Quality of Persons with Dementia and Family Caregivers in Korean Americans: Wearable Technology to Study the Dyadic Association.
Eunae Ju, Yuqing Guo, Jung In Park and 3 others
PMID 40098380WHAT IT FOUND
Dementia patients' deep sleep, awake time, and sleep efficiency tracked with caregivers' same measures; REM tracked opposite.
Objective data showed patients' sleep was more disturbed than their diaries suggested.
Key findings
01Patients' deep sleep duration was positively associated with caregivers' deep sleep duration (r = 0.34, P < .01).
02Patients' REM sleep duration was inversely associated with caregivers' REM sleep duration (r = -0.24, P < .01).
03Patients' diary-reported total sleep was 481 minutes, but smart-ring data showed sleep efficiency of 68.2% and awake duration of 196.6 minutes.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
The sample was small and convenience-based: 11 patient-caregiver dyads of Korean Americans, so results may not apply to other groups. It was observational with no control group and no intervention, so it cannot show that smart rings improve care or that one person's sleep causes the other's. Correlations were weak to moderate, and the study found no significant change in sleep parameters over 28 days. Caregivers completed diaries for both patients and themselves, which may introduce reporting bias. The study did not account for individual sleep-wake preferences, such as morningness or eveningness.
Declared interests
The authors declared no conflicts of interest. The article is marked as supported by non-U.S. government and N.I.H. extramural research support.
The easy way to misread this
Do not conclude that smart rings improve care or that treating one person's sleep will fix the other's. This was a small observational study with no intervention, and the correlations do not show cause.