Chest pain caused by sleeping pressure may be caused by improper sleeping posture, compression at the site of soft tissue injury, costochondritis or myocardial ischemia. 1. Improper sleeping posture: If you sleep in an improper posture, resulting in poor blood flow to the chest muscles, the symptoms of chest pain will occur. 2. Soft tissue injury site is compressed: if the soft tissue injury caused by strenuous exercise or long time heavy work, etc., and the soft tissue injury site is compressed during sleep, chest pain may occur. 3. Costal chondritis: If you have costal chondritis, localized pressure pain will occur, and when you sleep on the chest, it will cause chest pain. 4. Myocardial ischemia: If patients with coronary heart disease and angina pectoris sleep in certain positions that lead to poor blood return, it can cause myocardial ischemia, which can cause chest pain. If sleeping pressure chest pain, it is recommended to go to the regular hospital cardiovascular medicine or thoracic surgery as soon as possible to consult and check, timely exclusion of disease factors.