Type 2 diabetes and sleep apnea tend to go hand-in-hand Type 2 diabetes mellitus (T2DM) and obstructive sleep apnea (OSA) are both very common, each affecting around 10% of adults in the United States. Unfortunately, T2DM and OSA often go hand-in-hand. It has been known for some time that there are a large number of people who have both conditions, although there is evidence that OSA is often undiagnosed. Keep reading