(1) To investigate the prevalence of poor sleep quality and (2) to explore the associations between clinical, cognitive, and emotional factors and quality of sleep in patients with chronic widespread pain (CWP) receiving multidisciplinary treatment.

中文翻译：

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慢性广泛性疼痛的多学科治疗患者的睡眠质量相关因素。

（1）调查睡眠质量差的患病率；（2）探讨接受多学科治疗的慢性广泛性疼痛（CWP）患者的临床，认知和情感因素与睡眠质量之间的关联。