There is no absolute correct sleeping position in late pregnancy, subject to the comfort of the pregnant woman, if there is no discomfort you can take the left side of the lying position. The uterus is enlarged in late pregnancy, mostly in right-handed rotation, and resting in the left position can ensure the blood supply to the placenta, which will help the development of the fetus and reduce the incidence of supine hypotension syndrome during pregnancy. However, it is not always necessary to maintain the left side of the lying position, the overall should be based on the comfort of pregnant women, you can change a variety of sleeping position, as long as it does not cause lumbago and other discomforts can be. Late pregnancy should also pay attention to a balanced diet, appropriate exercise, avoid sedentary, so as not to cause blood clots or lead to indigestion. Pay attention to monitor the fetal movement, if any abnormality in time to seek medical treatment.