Öz
This research was conducted to examine the effect of postoperative pain level on sleep quality in patients who undergo major urological surgery. The research was carried out as a descriptive-sectional type study between January -September 2021. The sample of the research consisted of 107 patients who met the inclusion criteria of the study. Data were collected by using the "Patient Description Form", "Numeric Rating Scale" and "Richards-Campbell Sleep Scale" (RCSQ). For statistical analysis of data, IBM SPSS Statistics 25 (IBM SPSS, Turkey) program was used. Before starting the study, necessary ethics committee and institutional permission were obtained. It was determined that the average of the pain level of the patients was above the moderate level before the second dose of painkillers (5.99±3.21) after the surgery, and the mean score of the RCSQ 64.17±25.5 was above the moderate level. It was determined that as the pain level of the patients increased, the sleep quality decreased (p<0.05). As the result of the study, it was determined that the pain levels of the patients who had major urological surgery were severe and their sleep quality was moderate; In addition, it was concluded that as the pain level of the patients increased, their sleep quality decreased.