Harry and Ginny left after a few hours, but Hermione refused to leave Severus’ side. With weary resignation, the nursing staff capitulated and let her stay. After a few hours, they started checking in on her and bringing periodic tea, water, snacks, and meals when it became clear that the curly-haired witch would absolutely  not  leave her seat by his bedside except to go to the restroom and as there was an ensuite bathroom in this particular room, she hardly needed to go far to do even that.