Better Sleep Quality May Lower Effects of Pain on Cognitive Performance in Fibromyalgia Patients, Study Says

Better Sleep Quality May Lower Effects of Pain on Cognitive Performance in Fibromyalgia Patients, Study Says
Improving sleep quality may reduce the harmful effects of severe pain on cognitive performance in patients with fibromyalgia, a study says. The study, "Subjective sleep quality as a mediator in the relationship between pain severity and sustained attention performance in patients with fibromyalgia," was published in the Journal of Sleep Research. Fibromyalgia is a complex condition characterized by widespread muscle pain, fatigue, sleep disturbance, and memory and mood issues. Recent studies have shown that poor sleep quality, considered one of the hallmarks of the condition, is linked to pain severity and poor cognitive performance. "Improving sleep has been shown to reduce pain in patients with fibromyalgia. The role of sleep in the relationship between pain severity and cognitive performance in patients with fibromyalgia warrants investigation," the investigators wrote. In this study, they set out to analyze the relationship between sleep quality, pain severity, and cognitive performance in a group of patients with fibromyalgia. The cross-sectional study enrolled 80 patients with fibromyalgia — 71 women and nine men — with a median age of 48.5 years. Cognitive performance was measured using the Psychomotor Vigilance Task (a test that measures sustained attention and is sensitive to lack of sleep) pain severity by way of the Brief Pain Inventory-Short Form
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