She messes with them in their sleep

Night had fallen on the city, and the whole family was now asleep. For the past hours, Camilla, turned invisible, had been following them, observing them in silence, thinking about how she could mess with them. Right now, she was sitting next to the couple's bed, watching Laura as she was sleeping. There were so many things she could do. Even if she woke up, she wouldn't be able to see her. The question was, what did she want to do first?