IRCT20161127031131N3 IRCT 2022-05-09 Iran University of Medical Sciences Comparison of the effect of dexmedetomidine and propofol on how patients sleep after cardiac surgery Comparison of the effect of sedation with dexmedetomidine and propofol on sleep quality in patients after cardiac surgery 2021-05-22 anticipated 118 Complete https://irct.ir/trial/62901 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: In this study, patients are randomly assigned to two equal groups and for random assignment, permuted block randomization with quadruple blocks is used, Blinding description: Patients participating in the study do not know the group in which they are placed. 3 patients with coronary artery disease. Intervention 1: Control group: Propofol group: in this group we will infuse 50 μg/kg/min propofol in 6 hours (before the time of extubation ).The RASS will use to assess patients’ levels of sedation in all patients. Evaluation of sleep quality will study using Mary's Hospital Sleep Questionnaire. Intervention 2: Intervention group: Dexmedetomidine group: in this group we will infuse dexmedetomidine (precedex) will 0.5 μg/kg/h in 6 hours (before the time of extubation ).The RASS will use to assess patients’ levels of sedation in all patients. Evaluation of sleep quality will study using Mary's Hospital Sleep Questionnaire. Yes - There is a plan to make this available What will be shared: All data is potentially shareable after unidentified individuals When: Data will be available after the article is published To whom: Information will be available to academic researchers Conditions: Use of information is permitted provided the source is acknowledged Where to obtain: Applicants can request the information they need by sending an email How to obtain: Information will be sent to them within one week of sending the email Comments: