[header] How to sleep with carpal tunnel syndrome while pregnant [title] Sleep on your side. [step] Sleeping on your side allows for good blood flow for both you and the baby, and helps to prevent unwanted problems from developing. Your left side is the preferred side, but either side is fine. 
[substeps] Bend your knees and place a pillow between your legs. As your pregnancy advances, you may find additional relief from placing a pillow behind your back.