What are the effects of sleep apnea?

If left untreated, sleep apnea can result in a number of health problems including hypertension, stroke, arrhythmias, cardiomyopathy (enlargement of the muscle tissue of the heart), heart failure, diabetes, obesity and heart attacks. In addition, untreated sleep apnea may be responsible for job impairment, work-related accidents, and motor vehicle crashes as well as academic underachievement in children and adolescents.