Poor sleep tied to increased daytime sleepiness, especially in those with depression
WEDNESDAY, Dec. 28, 2016 (HealthDay News) — Poor sleep quality is prevalent in patients on maintenance hemodialysis, according to a study published online Dec. 21 in the Journal of Renal Care.
Stephanie Maung, from the SUNY Downstate Medical Center in Brooklyn, N.Y., and colleagues assessed sleep in 69 English-speaking patients undergoing maintenance hemodialysis. Self-reported questionnaires included those of sleep quality (Pittsburgh Sleep Quality Index), depression (Beck Depression Inventory), daytime sleepiness (Epworth Sleepiness Scale), a dialysis-specific sleep questionnaire, and standard laboratory values.
The researchers found that 58 percent of participants reported clinically significant sleep difficulty, with elevated, but sub-threshold, daytime sleepiness. Mean depressive affect was also elevated, but sub-diagnostic, and was positively correlated with increased age. Those scoring above the diagnostic threshold for depression had significantly more disturbed sleep quality, more daytime sleepiness, and had more problems sleeping due to restless leg syndrome, compared to patients with minimal depressive affect.
“Sleep disorders should be routinely screened for at the hemodialysis center, as they are quite prevalent,” the authors write.
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