That's adorable! Thanks for sharing the story!They sleep outside in the coop. When I got my first four chicks, I bought them at a flea market and brought them home with no coop or knowing anything about chickens. I put them in a dog cage with the heating lamps and they stayed indoors for about four months.
By then I bought a small coop and moved them outside. I lost Cookie to a hawk and Blackie to a mean Rooster who she hated and would fight with all the time. Anyway, I believe because Rocky and Sweetie were raised indoors they have no fear of being inside. They don't jump on the tables or furniture either. I have let other chickens in, they are curious but I have to keep an eye on them because they will jump up on the furniture. None of they others seem to care to stay in too long and always head to the door to go back out after they've looked around.
Rocky used to sit on the couch with me (I put protection under her of course) and watch TV with me. She liked me to pet her and would nuzzle up to me. But, when she felt it was time to go to bed, she'd stand on the edge of the couch and wait for me to set her on the floor. She didn't like jumping if she didn't have to because she would slide on the floor. Just like Sweetie, every morning she would go to the back door to be let out and take charge of the other chickens until it was time to go to bed again. Occasionally, in the summer she would come in and sit on the floor for a couple of hours. I guess she was cooling off from the heat.
I really miss that chick!