The Influence of Rapid Recovery on Sleep Quality Following Total Hip Replacement Surgery

Inclusion Criteria: * 1\. Primary unilateral total hip arthroplasty; * 2\. Patients with hip osteoarthritis,rheumatoid arthritis or femoral head necrosis; * 3\. Able and willing to provide signed informed consent. Exclusion Criteria: * 1\. Simultaneously bilateral total hip arthroplasty or revision case; * 2\. Surgical History of the hip joint; * 3\. Hip joint cavity paracentesis in recent 3 months; * 4\. Stiffness with hip; * 5\. Blood coagulation disorders; * 6\. History of deep venous thrombosis; * 7\. Concomitant medical problems such as uncontrolled hypertension, severe cardiovascular disorder, chronic obstructive pulmonary disease, liver or renal failure * 8\. Allergic to NSAIDs, opioid analgesics, zolpidem * 9\. Sleep apnea, Parkinson disease, dementia, depression * 10\. Use of sedatives or hypnotics * 11\. Unable to comply with polysomnographic measurement