Abstract:Background
Ankylosing spondylitis (AS) is a chronic inflammatory disease affecting primarily the axial skeleton. Inflammatory back pain, spinal stiffness and limited spinal mobility are the characteristics AS, and can lead to structural and functional impairments and a decrease in quality of life. Sleep disturbances have been reported to be more frequent in AS than in the normal population and other rheumatic diseases. Sleep disturbances are greatly associated with the inflammatory back pain, stiffness, diseas… Show more
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