Pregnant women are easily sleepy during pregnancy may be due to changes in hormone levels, metabolic changes and other factors, mainly the following: 1, changes in hormone levels: pregnant women in pregnancy, due to significantly higher levels of estrogen and progesterone in the body, affecting the nerve conduction, pregnant women will appear mental discomfort, sleepy drowsiness and other phenomena, which is a normal pregnancy reaction; 2, metabolic changes: pregnant women The basic metabolic rate in the body is significantly higher than before pregnancy, resulting in a significant decline in blood sugar indicators, coupled with the rapid consumption of calories in the body of pregnant women, will also cause pregnant women sleepy drowsiness; 3, psychological changes: some pregnant women after pregnancy has produced certain changes in psychology, prone to anxiety, nervousness, excessive anxiety, nervousness can easily lead to maternal fatigue, thus causing symptoms of sleepiness. Pregnant women are recommended to maintain a relaxed and happy mood through appropriate exercise and listening to light music to relieve the symptoms of sleepiness. Adhere to a daily lunch break, which can maintain sufficient physical strength. Diet should be strengthened with nutrition and appropriate fresh vegetables and fruits to replenish vitamins, which can promote digestion and speed up metabolism in the body.