I have a two and a half month old baby. He mostly keeps his head on the right side. Is this normal?

A. Know if the child is always going to keep head on one side the head is going to become Flat so it’s not a good idea that you let your child do so the child is stubborn to do so start using a pillow under the head of the child this with the head is going to be stable you can use a hollow pillow which would be better