Association between obesity and obstructive sleep apnoea

We read with interest the article by Murphy et al .1 who report a significant association between obesity and fatal and non-fatal cardiovascular events in a large, population-based cohort of middle-aged obese patients compared with normal weight subjects followed for 20 years. These comments are focused on the role of obstructive sleep apnoea (OSA) as another possible factor contributing to the described high rates of cardiovascular events …