Changes in Bedtime Procrastination and Quality of Sleep of the people with Intellectual Disability through the Application of the White Noise

Abstract

This study was aimed to provide the basic information about the changes of the bedtime procrastination and sleep quality of the people with intellectual disability through the application of the white noise. The subjects were 14 people with intellectual disability. The white noise was provided for them for an hour before the sleep. Through the application of the white noise, the bedtime procrastination and sleep quality were measured. To measure the bedtime procrastination, the bedtime procrastination scale was used. In the sleep assessment, the Korean Sleep Scale was used to measure the sleep quality and, the total sleep time and wake-up frequency during the sleep was measured as the quantitative index of the sleep quality. The results of the bedtime procrastination showed the decrease continuously after the application of the white noise. The analysis of the sleep, the results of the sleep quality showed improved continuously and the wake-up frequency was decreased and total sleep time was increased continuously. The application of the white noise before the sleep lead the people with intellectual disability to decrease the bedtime procrastination and increase the sleep quality. Thus, this should