Bluntly, the answer is not really... Although it may make sense that improving nasal airflow should help with obstructive sleep apnea , the reality is that it does not make a profound difference. Indeed, there was a study in 2014 that looked into this question. In this study , 3 groups of patients were looked at divided into patients with mild, moderate, or severe obstructive sleep apnea (OSA). These patients underwent sinus surgery , septoplasty , and turbinate reduction . What was found …