It is true that pregnant women are more likely to be sleepy during pregnancy. During pregnancy, due to the change in hormone levels, pregnant women themselves are prone to dizziness and drowsiness. In addition, the blood flow of the placenta increases after pregnancy, and the uterus needs a large amount of blood supply, so the blood supply to the brain of pregnant women will be reduced accordingly, so pregnant women will also be more likely to feel tired and sleepy. In addition, the weight gain after pregnancy will make it more inconvenient to move than before pregnancy, which is also a reason why pregnant women are easily sleepy. During pregnancy, it is advisable to increase the rest time appropriately. If you have a good rest and a good diet, together with proper exercise, you can make the baby develop better and keep the pregnant woman in a better condition.