When it comes to their own comfort and coziness, cats do whatever it takes to find that perfect spot. Even if that means lying on top of a dogs back. As it seems, the corner on the couch is no longer enough for them to take a nap. They have to take it on another level, lol.
#1 Witnessing these kind of friendships is truly rare. Look how peacefully they are sleeping, with their bodies crouched on the same position.
#2 One thing is to let pass the fact that the cat chose your head for her nap time and something quite different is to bear with her majesty staying still until she awakes.