You've got an aft facing balcony. Just above you is the pool deck. You might here the crew dragging the deck chairs around at sunrise. Getting the same cabin on deck seven would avoid this. Of course if you normally wake up early you might not care. Also, the back of the ship is slanted, so someone above you can look down onto your balcony.
I had an aft facing balcony on the Carnival Glory (a sister ship) ...