To correct your sleeping position, try sleeping on the side with a pillow between the legs for better support and to achieve a more natural alignment of the body. (fitnessandpower.com)
Sleep: Your bed and pillow should both help keep your body in natural alignment. (truehealthct.com)
There is no doubt he would have developed this over time however this really did help to speed things up and allow his body to come into natural alignment after the birth faster. (foodmatters.com)