Window sill growing Phal's -Do they need to be turned?

[Hedge]

Well,the title says it in a nut shell really. I've been growing phals (successfully if the flowering rate is anything to judge by) and my only concern is that after a while they seem to fall over towards the light. Should I be turning them? Most houseplants you do turn, but - What would happen to the flower spikes, especially the side branches, which seem to like growing horizontally towards the window?