Sleep Characteristics and Cognitive Symptoms Among Adults with Inflammatory Bowel Disease

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Abstract
Individuals with inflammatory bowel disease (IBD) experience overlooked deficits in objectively measured cognitive functioning; however, there is limited knowledge about self-reported cognitive symptoms in this group. Sleep characteristics, such as insomnia, poor sleep quality, or fragmented sleep, may be key modifiable factors that are associated with cognitive symptoms among individuals with IBD. This study aimed to describe cognitive symptoms and examine the relationship between these symptoms and sleep characteristics among adults with IBD. We conducted a descriptive, cross-sectional study using the Pittsburgh Sleep Quality Index, wrist actigraphy, the Insomnia Severity Index, and the FACT-Cog Perceived Cognitive Impairments subscale. Bivariate statistics were used to evaluate relationships between variables. The sample included 83 participants (mean age 40.44 years [standard deviation 10.7], 71% female). Over 77% ( n = 60) had poor self-reported sleep quality, and 69.5% ( n = 57) had clinically meaningful insomnia. The most frequently reported cognitive symptoms (experienced two or more times a week) were trouble concentrating (51.3%), forgetting names (43.8%), forgetting intended tasks (38.9%), and slow thinking (37.6%). Insomnia severity was moderately correlated with three out of the four most common cognitive symptoms (trouble concentrating: r s = .51, p < .01; forgetting intended tasks: r s = .38, p < .01; slow thinking: r s = .46, p < .01). Future research is needed to examine relationships between objective cognitive measures and sleep characteristics and to test the effects of insomnia treatment on daytime cognitive symptoms in this complex patient population.
Funding Information
  • Mayo Clinic

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