Morning sickness and afternoon sickness may be caused by irregular work and rest time, abnormal blood pressure, mental factors, diabetes and other reasons. 1. Irregular work and rest time: Irregular work and rest time, especially when the black and white is reversed, resulting in a serious lack of sleep, will appear in the morning discomfort. After a morning of physical adjustment, the afternoon will be better. 2. Abnormal blood pressure: If the blood pressure is high in the morning, there may be discomfort, and if the blood pressure returns to normal in the afternoon, it will be better. 3. Mental factors: If the mood is not good, long-term anxiety state, may appear in the morning discomfort, fatigue, etc., in the afternoon after the time and things to shift attention or rest, the physical state will be better. 4. Diabetes: If the patient has diabetes and other diseases, in the morning when you get up with the appearance of hypoglycemia, may lead to discomfort in the morning, after supplementing the food containing sugar, the afternoon will be better. There are many other clinical reasons for morning discomfort to get better in the afternoon. If symptoms persist or recur, seek medical attention. After a clear diagnosis, follow the doctor’s instructions to standardize the treatment.