1. The Importance of the Best Sleeping Position for Pregnant Women During pregnancy, sleep is very important for the health of the fetus and mother. The correct sleeping posture can not only ensure that pregnant women get adequate sleep, but can also prevent problems such as orthostatic hypotension and back pain. Therefore, it is very necessary to understand the best sleeping position for pregnant women. 2. What is the best sleeping position for pregnant women? The best sleeping position for pregnant women should be side sleeping, especially on the left side. This position ensures adequate blood supply to both the fetus and mother and reduces the possibility of compression of the lumbar spine and pelvis. 3. Why is the left lateral decubitus position better? The left decubitus position can avoid compression of the liver and inferior vena cava and is beneficial to blood circulation.