About sleeping on wedges: Dr Huitt urged me for years to get an adjustable bed. She didn’t like wedges because, she said, you slide down as you sleep, reducing the benefits. With an adjustable bed, you also raise your knees, keeping you from sliding down. I finally bit the bullet, got rid of the wedge and, wow. So much better. The next time I saw Dr Huitt, I told her I finally listened to her advice.