Lying down to sleep with a blocked throat may be obesity, epiglottis cysts, reflux esophagitis, acute pharyngitis and other causes. 1. Obesity: lack of exercise, eating too much greasy food leads to excessive obesity, because when lying down the fat accumulation oppression of the airway, feel the sense of blockage in the throat. 2. Epiglottis cysts: when the cysts grow to a relatively large size, the throat will feel obviously blocked when lying down, and the breathing will not be smooth. 3. Reflux esophagitis: the sphincter of the esophagus cardia is dysfunctional, and when you lie down to sleep, the stomach content refluxes into the esophagus and pushes the bottom of the throat, which makes you feel a sense of blockage in the throat. 4. Acute pharyngitis: the pharynx is infected by pathogenic bacteria causing pharyngeal congestion and edema, and the pharyngeal cavity closes at night when you lie down and the tissues pile up, aggravating the feeling of blockage in the throat with a foreign body. Lying down to sleep with a feeling of blockage in the throat there may be other reasons, it is recommended to consult a doctor in a timely manner to identify the cause of the standardized treatment.