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Is sleep quality related to cognition in individuals with heart failure?
Journal article   Open access   Peer reviewed

Is sleep quality related to cognition in individuals with heart failure?

Chooza Moon, Cynthia H Phelan, Diane R Lauver and Lisa C Bratzke
Heart & lung, Vol.44(3), pp.212-218
05/2015
DOI: 10.1016/j.hrtlng.2015.02.005
PMCID: PMC4426018
PMID: 25796476
url
https://www.ncbi.nlm.nih.gov/pmc/articles/4426018View
Open Access

Abstract

To examine how self-reported sleep quality and daytime symptoms are associated with selected domains of cognitive function among individuals with heart failure (HF). HF patients suffer from poor sleep quality and cognitive decline. The relationship between sleep and cognition has not been well documented among individuals with HF. In this descriptive, cross-sectional study, 68 individuals with HF (male: 63%, mean age = 72 years, SD = 11) completed sleep questionnaires and a neuropsychological battery. Participant had mean Pittsburgh Sleep Quality Index score of 5.04 (SD = 2.8). Regression analyses demonstrated neither sleep quality or excessive daytime sleepiness (EDS) were related to cognitive function, but daytime dysfunction was related to lower letter fluency and attention index. Contrary to some earlier reports, subjective sleep and EDS in this group of individuals was not associated with cognitive decline.
Heart failure Aged Cognition Sleep Neuropsychological tests

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