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Objectives Patients who undergo surgery are more likely to have changes in their sleep patterns and quality. Hence, the study was aimed at comparing the postoperative pain and sleep quality based on the surgeries performed at different times (morning vs. afternoon) of the day. Material and Methods An observational study was carried out among 50 surgical participants for a duration of six months. The data collection form was designed according to study needs, and the insomnia severity index (ISI) and visual analogue scores (VAS) were used to evaluate the sleep quality and pain scores at three time points. An Independent t test was carried out to determine the impact of the timing of surgery on sleep quality, and statistical analysis was carried out using SPSS 29.0. Results The participants had a mean age of 49.30 ± 17.02 years. Out of the 50 participants, 34 (68%) underwent surgery in the morning, while 16 (32%) had surgery in the afternoon. Overall, 88% of patients experienced postoperative sleep disturbances. The morning group had a mean postoperative sleep quality score of 8.01 ± 4.29, whereas the afternoon group scored 9.56 ± 5.98 ( p <0.001). The morning and afternoon groups had mean postoperative visual analog scale (VAS) scores of 5.50 ± 1.5 and 6.38 ± 2.24, respectively ( p = 0.109). Additionally, there was a positive correlation between postoperative sleep quality and pain control (r = 0.347, p = 0.014). Conclusion The patients undergoing surgeries in the afternoon had a statistically significant impact on their sleep quality compared to the morning group. However, the timing of surgery did not have any significant impact on postoperative pain.
Babu et al. (Wed,) studied this question.