Introduction T he associations between obstructive sleep apnea (OSA) and diabetes are widely accepted, establishing them both to be closely related diseases. Obesity is usually a common factor for both the conditions, but there is also evidence for a potential independent association between OSA and diabetes. It is also recognized that many subjects with OSA have features of metabolic syndrome characterized by hyperinsulinemia, glucose intolerance, dyslipidemia, central obesity and

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... Both the sleep disruption and intermittent hypoxia, which occur with OSA, can influence glucose metabolism. However, the