Associations of objective and subjective sleep disturbance with cognitive function in older men with comorbid depression and insomnia

Sleep Health
Daniel J BiddleNicholas S Glozier

Abstract

To examine whether poor objective and subjective sleep quality are differentially associated with cognitive function. Cross-sectional. Participants were recruited from primary and secondary care, and directly from the community, in Sydney, Australia. The sample consisted of 74 men 50years and older (mean [SD], 58.4 [6.2] years), with comorbid depression and above-threshold insomnia symptoms, participating in a trial of online cognitive behavioral therapy for insomnia. Insomnia severity and depression severity were assessed via self-report. Objective sleep efficiency and duration were measured using actigraphy. Objective cognitive function was measured using 3 subtests of a computerized neuropsychological battery. Poor objective sleep efficiency was associated with slower reaction time (r=-0.249, P=.033) and poorer executive functioning (odds ratio, 4.14; 95% confidence interval, 1.35-12.69), but not memory. These associations remained after adjusting for age, education, depression severity, cardiovascular risk, and medication. Subjective sleep quality was not related to cognitive function. Among older men with depression and insomnia, objectively measured poor sleep efficiency may be associated with worse cognitive function, in...Continue Reading

Citations

Sep 14, 2019·Cognitive and Behavioral Neurology : Official Journal of the Society for Behavioral and Cognitive Neurology·Kristoffer BotheliusTorsten Gordh
Jul 18, 2020·Journal of Alzheimer's Disease : JAD·Qing GuanHaobo Zhang
Mar 2, 2021·American Journal of Critical Care : an Official Publication, American Association of Critical-Care Nurses·Maya N ElíasZhan Liang

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