One of my ewes has the habit of lying down then rolling over on her back. She is so large and full of wool that she then can't roll back over to her feet. When she lies down, she streaches her legs out in front instead of lying on her legs. We have gotten to the point that we check on her several times a day to make sure she is up-right. A couple of mornings we have found her upside down and have no idea how long she has been that way during the night. Anyone have the same problem and any idea of how to fix it? I am concerned that if we leave for a period of time and she gets stuck up-side-down that she will die.