IRCT20170130032293N3 IRCT 2017-12-25 Zahedan University of Medical Sciences The effect of blindfold, earmuff and quiet time protocol on sleep and physiological indices in CCU patients. The effect of using blindfold, earmuff and quiet time protocol on sleep and physiological indices of patients admitted to CCU 2018-01-05 anticipated 135 Complete https://irct.ir/trial/25194 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Other, Other design features: does not have, Randomization description: The randomized study method is simple random. The method will be used to refer to the cc u section of the available samples. N/A Heart disease. Intervention 1: The intervention group 1: In this group, by using blindfold and earplugs instruments in a consecutive four nights and then using the sleep quality questionnaire, the patients will be measured and the physiological indices are also measured. Intervention 2: The intervention group 2: In this group, the implementation of the protocol of the quiet environment and calming the section in a consecutive four nights and then patients will be measured by using the sleep quality questionnaire ,and physiological indicators are also measured. Intervention 3: Control group: Routine care will be taken. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is After making a sample and reviewing the results about the publication of the decision will be.