A foreign exchange hedge (also called a FOREX hedge) is a method used by companies to eliminate or hedge their foreign exchange risk resulting from transactions in foreign currencies (see foreign exchange derivative). This is done using either the cash flow hedge or the fair value method.
Sleeping on your face puts the top cat at the highest point on the bed, the primo location for keeping watch over everyone. Your more submissive kitty will probably sleep at the foot of the bed or in her own kitty bed in the corner of the room.
Face-rubbing releases pheromones, which also promote a sense of comfort and wellbeing in the cat -- and often, the target of its affection as well. When your cat chooses to rub against you, he's saying You're mine, and demonstrating affection at the same time.