Hubungan Kualitas Tidur dengan Fungsi Kognitif pada Siswa SMA Kalam Kudus Medan

Abstract

Introduction. Sleep is a passive event that is essential for physical and mental recovery. Poor sleep quality causes drowsiness in learning, tardiness, reduced concentration, lazy speech, morning fatigue, increased risk of drug and alcohol use, increased irritability, more aggression, and disrupted relationships with people around them. Sleep deprivation in adolescence can put adolescents at risk of depression, lack of focus, and a decline in school grades. Objectives. This study aims to determine the relationship between sleep quality and cognitive function of SMA Kalam Kudus Medan students. Method. This study used a cross-sectional analytic method, data were collected only once and simultaneously with validated questionnaires, namely the Pittsburgh Sleep Quality Index (PSQI) and Mini Mental State Examination (MMSE). The sampling technique used to determine the sample size was stratified random sampling and a total of 80 people were obtained. Data were analyzed using SPSS with the spearman correlation test. Results. As many as 75% of respondents experienced poor sleep quality, mostly female and 15 years old. The study showed no significant relationship between sleep quality and cognitive function (p=0.957) with a very weak correlation value (d=0.006). Conclusion. There is no relationship between sleep quality and cognitive function of SMA Kalam Kudus Medan students.