Sleep apnea can affect your overall health, more than just your sleep. Learn about the types and treatment options.| Cleveland Clinic
Cleveland Clinic advertising supports our core mission and helps us improve our site as a resource for trusted health content. Learn how to advertise with Cleveland Clinic.| Cleveland Clinic
Cortisol is a steroid hormone that your adrenal glands release. It affects several bodily functions and mainly helps regulate your body's response to stress.| Cleveland Clinic