Credit: Nina Levy
Levy told CBS News' Elaine Quijano, "Often, bedtime is extremely apocalyptic around here, and it's sort of nice at the end of the struggle to say, 'So, what do you want on your napkin tomorrow?'"
Levy said the tradition has been documenting her kids' interests. "We had a good year of Pokemon," she said. "We have maybe a year-and-a-half of 'Star Wars'."