Background & Aim: Today's one way to treatment of patients is surgery that causes postoperative complications such as sleep and comfort disorders. The purpose of this study is determining the effect of surgical complications management training on quality of sleep among patients undergoing abdominal surgery.

Material & Methods: In this quasi experimental study 80 patients (40 people in exam group, 40 people in control group) were selected randomly from candidate patients for abdominal surgical operations in surgical wards of Ganjavian hospital of Dezful city. Data were collected by questionnaire included individual characteristic, disease and Pitsburgh sleep quality questionnaire and type of intervention was face to face training about surgical complication management. Sleep quality of patients was measured in two groups after surgery and the obtained results were compared. Data were analyzed by descriptive and inferential statistics methods through SPSS software.

Results: In this research, between the average of sleep quality scores after patients surgery in both exam and control group, there was a significant statistical difference (p<0/001) and sleep quality in the control group was weaker.

Conclusion: preoperative training program about surgical complication management is effective in improving sleep quality after patients' surgery and can be used to improve the comfort of the patients' physical and mental health as a result of the proposed noninvasive nursing interventions.