<![CDATA[Background : Many students tend to be addicted to using smartphones because the features and applications that are owned in smartphones facilitate all their activities. Smartphones that are more practical make it easier for someone to use them. Smartphone users utilize the tool for various purposes, such as daily life, hunting for information or playing games. Students often face challenges in maintaining good sleep quality due to academic pressure, technology use, and a busy lifestyle. Poor sleep quality can negatively affect students' concentration, academic performance and mental health. Therefore, it is important for students to understand the factors that influence sleep quality. Purpose : To determine the relationship between the intensity of smartphone use and sleep quality in final year undergraduate nursing students at ITSK Dr. Soepraoen Hospital Malang. Methods : The research design in this study was observational analytic with a cross-sectional approach. The population in this study were 52 final year undergraduate nursing students. The sample in this study were 52 final year undergraduate nursing students. The sampling technique used was total sampling. Data collection in this study using the PSQI sleep quality questionnaire and guttman scale. Data analysis using Chi-square bivariate data analysis using SPSS 27 software. Results : The study found a relationship between the intensity of smartphone use with sleep quality in final year undergraduate nursing students with the results of 52 respondents obtained 41 respondents whose level of smartphone use was abnormal, 1 respondent (2.4%) had good sleep quality, and 40 respondents (97.6%) had poor sleep quality. Conclusion : Good understanding of the importance of reducing non-essential smartphone use time and non-beneficial activities, as well as the importance of smartphone use schedules and sleep quality.]]>
