Always hungry in the middle of the night may be caused by diseases, such as duodenal ulcer. When suffering from duodenal ulcer, after the stomach is emptied of food at night, it will be stimulated by stomach acid and hunger will occur, which can be treated by eating drugs that inhibit the secretion of stomach acid. In the case of hypoglycemia, there will also be symptoms of hunger, accompanied by sweating, panic, and pallor, etc. You can eat food for relief, such as bread, cookies, candy, etc. You can also drink sugar water. Hyperthyroidism patients will also have hunger in the middle of the night, you can go to the hospital to check the thyroid function. A few people who eat too little at dinner will also have hunger in the middle of the night, which is a normal phenomenon and will disappear after resuming a normal diet, often feel hungry in the middle of the night, it is likely to be caused by disease, early examination and treatment, you can go to a regular tertiary care hospital for relevant examination.