Vianna tilted her head slightly at Ferris as the boy insisted that he still didn't want to sleep by himself, making the girl feel worse about leaving him with each passing second. What worried her the most was the nightmares; if he had another one this night, then the following day would certainly not be any better if not worse than this one. "Well, unfortunately, Professor, it's not about what you want, but about what's best for you," she said, raising her eyebrows slightly at him. "And what's best for you right now is to let your back have some rest."