Sometimes my heart hurts a little. What's going on?

Sometimes the heart will be a little dull pain may be caused by overwork, long stay up late and other physiological reasons, may also be myocardial insufficiency, coronary heart disease, cardiovascular disease, angina pectoris and other diseases. If the symptoms of heart pain often occur, usually pay attention to rest, symptoms last for a long time, to go to the hospital as soon as possible for examination.