Sleeping in the side position is more comfortable in late pregnancy, try not to sleep on your back for a long time. The uterus increases significantly in late pregnancy, and sleeping in the supine position for a long period of time may cause postural hypotension, which may lead to dizziness, vomiting, drop in blood pressure and other uncomfortable symptoms. Choosing to sleep in the left lateral position can improve the uterus’ right-handedness, reduce the uterus’ pressure on the inferior vena cava, maintain normal tension, and ensure blood perfusion to the placenta, which is conducive to the growth and development of the fetus. Side-lying position when sleeping can be in the hip pad a pillow or cushion to play the role of support, to maintain the side lying in the middle of the two legs clip a pillow, so that sleep may be more comfortable. Sleeping position in late pregnancy should also be as comfortable as you feel, don’t ask for too much.