In the early stages of pregnancy, except for a long time prone position, how to sleep is good for the fetus, and in the middle and late stages of pregnancy, try to choose the left side of the lying position is better for the fetus. In the early stages of pregnancy, the uterus does not increase significantly, there is no high demand for sleeping position, except for a long time prone position, sleep on the left side of the bed, the right side of the bed, lying on the back can be chosen. In the middle and late stages of pregnancy, as the weeks of pregnancy increase and the uterus enlarges, try to choose to sleep in the left lateral position, which can improve the uterus’s right-handedness, and can also provide the placenta with more adequate blood oxygen. If you are tired of sleeping on the left side, change to the right side, and try not to sleep on the back for a long time, which is better for the fetus. After pregnancy to ensure adequate sleep, daytime should also be appropriate rest, but sleep time should not be too long, try to avoid staying up late at night, try to ensure that 8-10 hours of rest every day. After pregnancy, do a good job of maternity checkups during pregnancy, any abnormalities need to be dealt with by timely medical treatment.