The Young & The Restless: How Sleep Apnea Can Affect Us At Any Age | What Causes Sleep Apnea in Adults What causes sleep apnea in adults? Studies have found that young adults with high blood pressure or “hypertension’ have a high prevalence of obstructive sleep apnea. This can be due to several factors, including a sedentary lifestyle. https://ognomy.com/the-young-the-restless-how-sleep-apnea-can-affect-us-at-any-age/