It's rude to wake someone from sleeping.
George is preparing dinner at home.
George wants to serve dinner to his family.
George sets out a plate of food on the table for his wife to eat when she wakes up.
George wakes up his wife who is exhausted from caring for their newborn.
His wife gets a nap and some dinner and feels better.
His wife is tired and cranky and starts an argument that wakes the baby.