IRCT20180517039698N1 IRCT 2018-10-06 Gonabad University of Medical Sciences The effect of Virtual Reality on anxiety and quality of sleep in patients in Cardiac Care Unit Effect of using relaxation images based on Virtual Reality on anxiety and quality of sleep in patients in Cardiac Care Unit 2018-05-22 anticipated 60 Complete https://irct.ir/trial/31382 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive, Randomization description: In this research, the samples will be selected by targeted sampling from the research community (taking into account entry criteria) and they will be randomly assigned to two groups of control and test (virtual reality) using permutable blocks method. Each block contains 4 patients, as a result 15 arrangements are possible. In selection of blocks, table of randomizes numbers is used. N/A Condition 1: Anxiety. Condition 2: Sleep quality. Intervention 1: Control group: During the three nights of stay in the ward only routine treatments will be carried out without any intervention by the researchers. Intervention 2: Intervention group: During the three nights of stay in the ward for this group of patients, in addition to usual care, before sleep a video of nature with high quality for 15 minutes will be played by virtual reality headset (Model Remax-RT-V03). The hospital sleep questionnaire, Verran and Snyder-Halpern and Eshpilberger anxiety questioner will be completed before and after the intervention. 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 There is no more information.