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DOI: 10.1177/1078390306295071 Predictors of Daytime Sleep of Nursing Home Residents With Dementia
College of Nursing at the University of Arkansas for Medical Sciences, Little Rock; Health Services Research, Geriatric Research, Education, and Clinical Center, Central Arkansas Veterans Affairs Healthcare System, North Little Rock
College of Medicine/Department of Geriatrics at the University of Arkansas for Medical Sciences, Little Rock
University of Arkansas for Medical Sciences, Little Rock
Department of Medicine, and associate director for Educational Research at the Office of Medical Education at the University of California, San Francisco
College of Nursing at the University of Arkansas for Medical Sciences, Little Rock
College of Pharmacy at the University of Arkansas for Medical Sciences, Little Rock
College of Nursing at the University of Arkansas for Medical Sciences, Little Rock BACKGROUND: Excessive daytime sleep (EDS) in nursing home residents with dementia may lead to decline in cognitive, affective, and functional status. Yet, we know little about predictors of EDS. OBJECTIVES: Describe daytime, nighttime, and 24-hr sleep and determine predictors of daytime sleep among them. STUDY DESIGN: This cross-sectional study of 104 residents from nine nursing homes used actigraphy to measure sleep variables and multiple linear regression to analyze 10 predictor factors (age, gender, body mass index, cognitive function, functional status, comorbidity, psychiatric illness, nighttime sleep minutes, frequency of nighttime awakenings, and number of sedating medications per participant). RESULTS: In this sample, 66% of participants were female octogenarians. On average, they slept 139.0 min (SD ± 113.5) during the day, 340.6 min (SD ± 156.0) at night, and 479.6 min (SD ± 227.1) during 24 hr. Significant predictors of daytime sleep were nighttime sleep minutes (Beta = .34; p < .001), comorbidity (Beta = .24; p < .01), and gender (Beta = .21; p < .05). CONCLUSIONS: Controlling comorbidity may enhance daytime alertness.
Key Words: daytime sleep napping nursing homes dementia actigraphy
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