Excessive yawning Байнга эвшээх (монгол) Зевота (ру́сский) Possible common causes Cardiovascular diseases Chronic Stress Chronic fatigue, easily tired Elevated intracranial pressure Epilepsy Fatty liver Fibromyalgia (FMS) Multiple sclerosis Obstructive sleep apnea (OSA) Prescription drugs and injections Stroke and Paresis Зүрхээр хатгуулах буюу зүрхний бах