The gastrointestinal discomfort during the day and sleep at night may be caused by improper diet, mental factors, chronic gastritis and other reasons. 1. Improper diet: due to irregular diet during the day, eating too much to cause indigestion, so that the burden on the stomach and intestines increased, resulting in gastrointestinal discomfort, and at night will gradually be relieved, so the stomach and intestines during the day uncomfortable at night to sleep all right. 2. Mental factors: due to excessive stress and nervousness during the daytime study or work, it may lead to the disorder of the nerves that govern the stomach and intestines, affecting the absorption of food, making the stomach and intestines uncomfortable; at night, the spirit is more relaxed, so it’s okay to sleep at night. 3. Chronic gastritis: due to improper diet, long-term smoking and alcoholism or pathogenic bacteria infection, caused by chronic gastritis occurs, which leads to gastric mucosa damage, may also appear in the stomach during the day uncomfortable and sleep at night all right phenomenon. If the discomfort does not get better, it is recommended that the patient consult a doctor in a timely manner, under the guidance of the doctor to give treatment according to the cause. At the same time, you need to adjust your emotions and develop good eating habits.