5 Reasons Why You Should Sleep On Your Left Side

4. Critical For Pregnant Women.

Pregnant women are circulating blood for two bodies, an intense job that requires a greater blood volume to accomplish. Meanwhile, a growing infant expands the uterus and puts pressure on the spine and other organs. Lying on the left keeps circulation flowing freely and takes the pressure of the baby off of mom’s spine, plus protects the liver from being squeezed too much.