The Effect of Preoperative Sleep Quality on Postoperative Delirium in Middle-Aged and Elderly Patients: A Clinical Setting

Key Points

• To evaluate how sleep quality before surgery affects the occurrence of delirium after surgery in older patients.
• Investigated preoperative sleep quality using the Pittsburgh Sleep Quality Index
• Assessed delirium occurrence post-surgery in elderly patients
• Conducted the analysis within a clinical setting
• Poor preoperative sleep quality is linked to higher rates of postoperative delirium
• General anaesthesia increases the risk of delirium in older patients
• Elderly patients report significant variability in sleep quality before surgery