If you tell them before you fly they normally wont make announcements and also tell them the reason you stop flying CX is use BA is because BA dont make any anouncements during the flight. What really makes me mad is the seat belt sign comes on in the middle of the night and then you get three different language announcements telling you to fasten your seat belt. What BA do is walk the cabin and they will wake you up if your seat belt is not fastened. I too fly in F and C monthly to Europe and why the hell they serve breakfast at 4 am is totally beyond me