Stroke impact symptoms are associated with sleep-related impairment.

The study only included stroke survivors with clinical depression, so results may not apply to stroke survivors without depression. Sleep disturbance is a symptom of depression, and the depression scale used included insomnia items, which may have inflated the association between depression and sleep-related impairment. The study used self-reported sleep measures only; no objective sleep data (like actigraphy or polysomnography) was collected. The cross-sectional design means associations were found, but causality could not be determined. Participants with severe cognitive impairment or aphasia were excluded, potentially missing those with the most severe stroke impact symptoms. The sample was drawn from a single geographic region using convenience sampling.

The parent study was supported by the National Institute of Nursing Research (NIH). The authors declared no conflicts of interest.

Do not assume that physical impairments like weakness or hand dysfunction are driving sleep-related impairment in stroke survivors. The study found these were not associated; instead, mood and fatigue were the primary correlates. Do not generalize these findings to stroke survivors without depression, as the entire sample had clinical depression.