Gillian- I am now 12 days post op and started sleeping flat on my back with extra pillow on my head, 1 pillow each for my side which I place 1 under my boob when I move on my side and the other to support my back a bit because the boobs has not softened yet. My PC advised that I only do this if I feel OK in doing so. As long as you are comfortable it should not do no harm.
