When sleeping, pregnant women in the 6th month of pregnancy should choose a suitable lying position to ensure sufficient sleep time, which is beneficial to the healthy development of the fetus. About 6 months pregnant women sleep, there are mainly the following points need to pay attention to: 1, lying position: pregnant women 6 months pregnant, it is recommended to take the left side lying position to sleep. Because with the increase in the number of weeks of pregnancy, the uterus gradually increased to 6 months of pregnancy, the pregnant woman’s uterus will be slightly right-handed, and the inferior vena cava is located on the right side of the body, the right-handed uterus is easy to compress the inferior vena cava, resulting in poor venous return, may produce supine hypotension syndrome, so that pregnant women appear chest tightness, shortness of breath, lower blood pressure and other uncomfortable symptoms, may also lead to fetal hypoxia, while the left The left lateral position can reduce the pressure on the inferior vena cava. However, some pregnant women may experience discomfort when lying on the left side, at this time, pregnant women can choose their own comfortable position to sleep according to their own situation; 2, time: in the sixth month of pregnancy, pregnant women sleep for about 8 hours a day is appropriate, at least 6 hours or more to. Through effective sleep, pregnant women can improve the physical discomfort caused by pregnancy, reduce fatigue and improve mental tension. At the same time, pregnant women should pay attention to avoid excessive emotional fluctuations, and can appropriately participate in more outdoor activities, such as walking, gymnastics, yoga for pregnant women, etc. By participating in activities can improve the quality of pregnant women’s sleep, and can also increase bone mass and reduce the symptoms of calcium deficiency.