The aim of this study was to evaluate effect of music on sleep quality in patients with Behçet's disease. The population of the study consists of behçet patients who applied to the Rheumatology outpatient clinic of Medical Faculty Hospital, who met the research criteria and agreed to participate in the study.

The study will conduct in a randomized controlled experimental design with two groups. The sample of the study will be 50 behçet patients the music practice group (25) and the control group (25). The research will be carried out between December 2022 and December 2023. In this study, data will with collect Descriptive Information Form, Behçet's Syndrome Activity Scale (BSAS) and Richard-Campbell Sleep Scale (RCUI).

This study will be conducted as a parallel group randomized controlled experimental study to determine the effect of listening to music in the uşşak makam on sleep quality in Behçet's Diseases.The population of the research will be Behçet's patients receiving outpatient treatment in the Rheumatology outpatient clinic of a university hospital.G.Power program was used to calculate the sample size of the study. In descriptive studies, the t tests - Means: Difference between two independent means (two groups) model was used to determine the sample size when the number of individuals in the universe was not known. While determining the sample volume in the research, the test for the main hypothesis was determined at the first stage and the required averages were obtained from Bakır's research in 2019, which is compatible with our study in the literature (Bakır, 2019). According to the g-power analysis, with 95% confidence level and α=0.05 margin of error, it has an effect size of 0.941 and a tolerance ratio of 5%; In this study, the power of the test was determined as p: 0.05, (1-β): 90%, t = 2.015, and in line with this information, it was concluded that the number of samples required for the study was 46 people in both groups. Considering the possible losses from the experimental study, the number of samples was increased by 10% and it was decided that the total sample size would be 50 people, 25 people in the intervention group and 25 people in the control group.Application In this study, intervention and control groups will be studied in a pre-test and post-test design. No intervention will be applied to the control group. Passive music listening practice for the intervention group.

Inclusion Criteria:

18 years or older Having been diagnosed with Behçet's Disease for at least 6 months A score of 0-25 on the Richard-Campbell Sleep Questionnaire No visual or hearing impairment Being literate Ability to understand and speak Turkish Having mental and cognitive competence Not having a psychiatric diagnosis It is voluntary to participate in the study. Not using sleeping pills Become an Android processor phone

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Exclusion Criteria:

Unreachable during phone calls with sleep apnea Chronic diseases that can affect sleep such as COPD, Asthma, Heart failure not continuing research Patients using sleeping pills

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