PREVALENCE OF SLEEP DISTURBANCE AND ITS RELATIONSHIP WITH PAIN INTENSITY IN PATIENTS WITH CHRONIC LOW BACK PAIN ATTENDING PHYSIOTHERAPY CLINICS IN YOBE STATE, NIGERIA: A CROSS-SECTIONAL STUDY
Chronic low back pain (CLBP) is one of the leading causes of disability worldwide and is frequently accompanied by sleep disturbance, which may worsen pain perception, impair physical function, and reduce quality of life. Despite the growing recognition of this relationship, evidence from northern Nigeria remains scarc...