The Relationship between chronic low back pain and sleep pattern (using data derived from the Persian cohort; Fasa(

Background & objective: Chronic low back pain is one of the most common disorders associated with chronic pain that is correlated with a wide range of psychological issue such as problems in sleep pattern. The purpose of this study was to investigate the relationship between sleep pattern and chronic low back pain. Materials & Methods: The research method was cross-sectional- descriptive–analytic and the statistical populations were residents of Sheshdeh of Fars province. Among them 1,366 people participated in the study by convenience sampling method. The instrument included a questionnaire of Persian cohort, Oswestry inventory and McGill Questionnaire. Data were analyzed using SPSS . V-24 software. Results: 90.9% of the subjects were male and 39.09% were female. The results showed that there is a reverse relationship between the LBP، pattern and the quality of sleep, and with the increase in pain, the amount of sleep decreases.  Conclusion: results of this study indicate that the quality of sleep should be considered in treatment of patients with chronic pain, especially those with chronic LBP.