The phenomenon of drowsiness in early pregnancy is also a kind of early pregnancy reaction. The symptoms of early pregnancy reaction and the severity of the symptoms as well as the early and late appearance are different for each person, some of them are nausea and vomiting, some of them are dizziness and drowsiness, which is a normal phenomenon. If a pregnant woman is drowsy, she can increase the sleep time, go outdoors during the day, relax and take a proper nap, so that the phenomenon of drowsiness can be improved, and as long as she pays attention to rest and ensures sufficient sleep, the development of the fetus will not be affected.