If you have a stomach ache in the morning, there are three main types of conditions: 1. Because of gastric mucosa lesions, such as gastritis and gastric ulcer, it can lead to significant stomach pain in the morning, which needs to be treated as soon as possible. 2. Because of excessive secretion of gastric acid, mainly because of the many pressures in modern life, coupled with irregular diet will cause abnormal contraction of the stomach, accompanied by vague pain. 3. If the situation is more serious, there will be pain like stomach cramps.3. It may also be related to lack of sleep and daily eating habits. If you usually stay up late, work overtime or consume too much fat, it will also cause the body to wake up in the morning with obvious stomach pain, which is functional stomach pain.