Chest pain when lying down, the most common include the following aspects: First, due to prolonged lying down to sleep on the chest wall or muscle tissue for long-term compression, resulting in muscle aches and pains this situation is most common. Second, intercostal neuritis or intercostal neuralgia symptoms, in lying down to sleep easily stimulate the intercostal nerve endings lead to neuropathic pain, is also more common in the clinic. Some elderly people often sleep on their stomachs, easy to cause poor blood supply to the precordial area, easy to induce a reduction in coronary blood flow in the heart, resulting in angina pectoris this situation can not be completely ignored. Chest pain when sleeping on your stomach, to change the posture of sleep, it is best to go to the hospital for a detailed examination of the heart and lung problems, to exclude these lesions, the condition may not be particularly serious, as long as the change in diet, sleep habits, pain will be significantly relieved.