Just a little piece of time tot doodle
Because the baby would need almost as little sleep as her father, and would also be loath to be separated from the mother as the father.
In the end, they try to compromise by 'quietly accompanying' Rose to bed (although they may not always remember to be quiet).
A/N: Any wobbly-ness and strange choice of bed attire will be attributed to the fact that the sketch was mostly done in airport transits and plane rides ;)