After 3 months of surgery, the PSQI index improved significantly (12.76 ± 2.53 compared to 6.97 ± 1.63, p <0.001), increased sleep efficiency (65.11 ± 7.05 compared with 86.58 ± 5.24, p <0.001) and 72.73% had sleep efficiency ≥85%, subjective sleep quality improved (2.36 ± 0.49 vs 1.52 ± 0.51, p <0.001) and longer sleep time per night (5.06 ± 0.56 vs 6.53 ± 0.48, p <0.001).