For the past couple of months we've been hearing something, but we never could tell what or where it was. The noise always happened late, late night, and one of us would wake up, "Did you hear something?" Well, no doubt about it today! There is something inside the wall of our upstairs bedroom. Moving and/or chewing constantly. I have no ideas on how to get to it. I am probably just going to have to call someone over for this. 