The causes of chest pain and vomiting after a nap are gastric ulcer, myocardial ischemia, cholecystitis, and so on. 1. Gastric ulcer: because there is an ulcer surface formed in the stomach after eating or drinking alcohol, the ulcer surface will be stimulated, it will trigger stomach cramps, resulting in stomach pain, and this pain will be described as chest pain. After the patient vomits, reducing the stimulation of food on the ulcer surface, the symptoms will be relieved, thus causing the patient to appear chest pain vomiting sleep a good situation. 2. Myocardial ischemia: due to transient ischemia and hypoxia in the myocardial cells, it will trigger chest pain, vomiting, dizziness and other symptoms. After a good night’s sleep, myocardial ischemia and hypoxia will be relieved and a series of symptoms will be improved. 3. Cholecystitis: If the patient suffers from cholecystitis, due to eating greasy and stimulating food, resulting in cholecystitis attack, when the inflammatory factor stimulation, will trigger the patient to appear chest tightness, vomiting, abdominal pain and other symptoms, the pain will also radiate to the anterior thoracic region or the lumbar back. After vomiting, the symptoms will be relieved, which will lead to chest pain and vomiting and sleep. If you have chest pain, vomiting, sleep, it is recommended to go to the hospital in time to complete the relevant examination, to clarify the cause of the disease, and follow the doctor’s instructions for treatment.