Type 2 Diabetes Mellitus results from the body's ineffective use of insulin. Type 2 diabetes mellitus comprises the majority of people with diabetes around the world and is largely the result of excess body weight and physical inactivity. Symptoms include increased thirst, frequent urination and unexplained weight loss. There are studies emphasising that type 2 diabetes mellitus has a higher incidence of sleep disorders which may be due to the disease or caused by the complications associated

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... th diabetes. Contrarily, erratic and disturbed sleep habits has been directly linked to diabetes mellitus, obesity and metabolic syndrome. Aims and Objectives: This study has been undertaken to establish the negative impact of blood glucose level on the quality of sleep. Methodology: This is a cross sectional study carried out on 177 type 2 diabetes mellitus patients. Structured questionnaire (Pittsburgh sleep quality questionnaire) was administered. Results: In this study the prevalence of sleep disorders was found to be 135 (76.3%) type 2 diabetes mellitus patients. Among the study subjects, it was found that 121 (68.4%) participants of the study were women and 56 (31.6%) were men. It was also found that females had a higher prevalence of sleep disturbances (79.3%). Mean age of all the participants was found to be 56.63 and 63 (35.6%) participants fell under 55-64 years age group which was the highest. Majority of the patients were illiterate 72 (40.7%) and education was found to have a significant relationship with sleep disturbance. Compliance to drug therapy, concomitant medication and age also had a significant relationship to the factors influencing their quality of sleep. Education, compliance to drug therapy, concomitant medication and age are the risk factors of developing sleep disorders in type 2 diabetes mellitus patients. Conclusion: Therefore, due consideration has to be given to address the problem of sleep disturbance in diabetics and enhance the care and treatment program along with effective health education of the population.