Obstructive sleep apnea is regularly linked to the posterior oropharynx and the tongue, but its relationship with the nose is often overlooked. Recent research suggests that the assessment of the nose plays an important role in the physiology of sleep. Nasal obstruction is common in sleep apnea and contributes greatly to the development of OSA. Here to talk to us about the role of the nose in OSA is Dr. Jolie Chang.