Snoring By Richard J Schwab, MD, University of Pennsylvania, Division of Sleep Medicine Reviewed / Revised May 2022 | Modified Sep 2022 View Patient Education Pathophysiology Etiology Evaluation Treatment Key Points Topic Resources Epworth Sleepiness Scale (ESS) Modified Mallampati scoring STOP-BANG Risk Score for... Snoring is a raspy noise produced in the nasopharynx during sleep.