Bakhtawar Majid, Mohammad Asim Arif, Rabia Saeed, Ashfaq Ahmad, Mehreen Fatima.
Frequency and severity of insomnia in chronic low back pain.
Rawal Med J Jan ;42(4):528-30.

Objective: To find the frequency and severity of insomnia in chronic low back pain patients. Methodology: The data were collected from 358 patients from different government hospitals suffering from chronic low back pain at least from three months. A questionnaire and insomnia severity index were used to measure the severity. Statistical work was done by SPSS software. Results: The study included 358 patients, out of which 210 (58.6%) had insomnia and 148 (41.3%) had no insomnia. Out of those 58.6%, only 2.85% had no clinically significant insomnia, 61.9% had sub-threshold insomnia and 35.2 had moderate insomnia and majority faced the sleep disturbance at mid of the night almost every night. Conclusion: Frequency and severity of insomnia in chronic low back pain was high.

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