My husband had rotator cuff surgery 20 years ago, and is a carpenter. He lives in a constant state of pain, which means I often don't get a good night's sleep (nor does he). He's been using this shoulder brace over a week, every day. (1) It steadies his shoulder, allowing him to work with less pain throughout the day; (2) he has slept with it on, which has given him relief in order to sleep. The only complaint he has is that the strap going from the back of the shoulder, under the arm pit and ac...