Effect of Sleep Quality on Blood Glucose Level of Type 2 Diabetes Mellitus Patients in Medan, Indonesia

BACKGROUND: Sleep disturbance is one of the problems complained by diabetes mellitus (DM) patients. The decrease in sleep quality has an impact on not controlling blood glucose levels (BGL). AIM: The aim of the study was to analyze the effect of sleep quality on control BGLs of type 2 DM patients in Medan. METHODS: This study is analytic with a cross-sectional design. The study population was type 2 DM patients who came to the Medan Labuhan Primary Health Care with a total sample of 83 people, sample collection by consecutive sampling method (inclusion and exclusion criteria). Management data using the SPSS computer program and data analysis using the Chi-square test. RESULTS: The majority of patients were female (57.8%), the most age group was above 50 years (98.8%), with the highest duration of illnesses being above 5 years (77.1%), family history of suffering from DM was mothers with DM (36.1%), and mean of BGL was 215 mg/dl. The Chi-square test results showed a significant relationship between sleep quality and BGL of type 2 DM patients in Medan (p < 0.05), with an odds ratio of 4.3. CONCLUSION: Sleep quality affects blood sugar control in type 2 DM patients. The risk of increasing blood sugar due to sleep disorders is 4.3 times compared to DM patients who do not experience sleep disorders.