Pregnant women can not sleep at night has a certain impact on the fetus, because when pregnant women can not sleep, it means that the quality of sleep is not good, which indirectly affects the rest of the fetus, which will make the fetus appear more fetal movement at night. If a pregnant woman does not sleep well at night for a long time, it may affect the fetus to absorb nutrients, the growth and development of the fetus will also have an impact, pregnant women do not sleep well in the middle and late stages of pregnancy, because the fetus grows faster during this period, and will gradually grow after the uterus increases, which will cause a certain load on the body of pregnant women, the body of pregnant women have various discomforts will lead to poor sleep, which is normal. Pregnant women can choose to rest during the day, before going to bed at night, put a soft pillow next to the belly to reduce the weight of the belly, pregnant women can sleep well, if pregnant women have been sleeping badly at night should be properly adjusted to the work and rest time.