Aldo is a little angel who has trouble falling asleep due to the anxiety and excitement he feels being on Earth and having the mission of taking care of a habitat. Fortunately, the little angel finds a solution to eliminate his stress, and by the end of the story he can sleep peacefully. This story is written with the purpose of encouraging parents to talk to their children about the things that worry them or cause them anxiety. In addition, it is a good exercise for children to assume some responsibility in caring for a pet, a plant, or keeping their space clean.