Tongue implant study aims to see why some sleep apnea patients respond better

This study looks at how a device that stimulates the nerve to the tongue (hypoglossal nerve) changes the way the upper airway collapses during sleep in people with obstructive sleep apnea. Researchers will use a sleep endoscopy and sleep study data to compare collapse patterns before and after one year of treatment. The goal is to understand why some patients respond well and others do not. About 58 adults who are already eligible for this therapy will take part.