My wife is very self-righteous about her lack of "need to sleep" - she stays up all night, sleeps four or five hours, and goes on and on about how she's just "w

My wife is very self-righteous about her lack of "need to sleep" - she stays up all night, sleeps four or five hours, and goes on and on about how she's just "wired differently" than the rest of us and doesn't need as much sleep as us "lesser mortals". Then as soon as I turn on the car or start a movie, she's out like a light.