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The prevalence of sleep disorders was 92.9\u2009percent. Patients reported generalized pain (88.3%), memory failure (78.5%), moodiness (59%), excessive anxiety (77.5%), and concentration difficulties (69.1%). Patients with more symptoms reported poor sleep quality ( p\u2009&lt;\u2009.05; d\u2009=\u2009.74), and the total Pittsburgh Sleep Quality Index score correlated with the number of symptoms ( p\u2009&lt;\u2009.01). Sleep quality has an important association with fibromyalgia symptoms.<\/jats:p>","DOI":"10.1177\/1359105317751615","type":"journal-article","created":{"date-parts":[[2018,1,9]],"date-time":"2018-01-09T01:20:53Z","timestamp":1515460853000},"page":"1176-1186","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":84,"title":["The relationship between sleep quality and fibromyalgia symptoms"],"prefix":"10.1177","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6640-9314","authenticated-orcid":false,"given":"Alexandro","family":"Andrade","sequence":"first","affiliation":[{"name":"Santa Catarina State University, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0879-6723","authenticated-orcid":false,"given":"Guilherme Torres","family":"Vilarino","sequence":"additional","affiliation":[{"name":"Santa Catarina State University, 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