There are various causes of cough, such as cardiac insufficiency, cough variant asthma and so on. But the best sleeping position for cough relief specific choice needs to be decided according to the cause of the disease, some diseases no matter what sleeping position can not relieve cough. Cardiac insufficiency patients, sleeping back to the heart blood volume increases, pulmonary venous pressure increases, when there is a pulmonary circulation stasis, will aggravate the symptoms of coughing. Therefore, it is best to choose the semi-recumbent position, which can reduce the volume of return blood, reduce the pressure of the pulmonary circulation, so as to avoid aggravating the cough. And if the cough is caused by gastroesophageal reflux, it is recommended that the upper half of the body is appropriately elevated, which can effectively alleviate reflux, thus reducing the cough. For patients with cough variant asthma, if you do not remove the cause of the disease, no matter what sleeping position can not relieve cough symptoms. Cough during the choice of the appropriate sleeping position is conducive to the smooth airway, phlegm discharge, and the appropriate sleeping position can avoid the aggravation of coughing, but can only alleviate the symptoms of coughing patients, it is recommended to go to the hospital in a timely manner to find out the cause of the disease, standardized treatment under the guidance of the doctor.