I hate it when my hair gets to a certain length. it’s too long to be standing up on its own but too short to be undisturbed by a night of slumber. The only effective way to get to lay down is to wash it.
Of course, with Fifi usually standing in the bathroom doorway (the boy still being asleep most mornings when I get up and go to work), so I have to mess around a bit and get her to laugh. Some brisk towelling to the bonce usually helps!