Benefits of sleeping with pillow between legs while pregnant
Doctors usually recommend sleeping on your side while pregnant. Your left side is often referred to as your ideal position. People believe that sleeping on your left side allows for optimal blood circulation and keeps your uterus from sitting on your liver.
However, a 2019 review of studies Source found that sleeping on either side seems equally safe for you and the baby.
No matter which side you’re sleeping on, putting a pillow between your legs may make sleeping on your side more comfortable and reduce back pain by keeping your spine neutral.
Many companies make U- or C-shaped pregnancy pillows designed to make sleeping on your side more comfortable. These pillows hug your body and also have a piece that you can fit between your knees.