Hester was not going to put herself out with any of Susan Drummond's vagaries; she looked upon sleepy Susan as a girl quite beneath her notice, but even she could not help observing her, when she saw her sit up in bed a quarter of an hour after the candles had been put out, and in the flickering firelight which shone conveniently bright for her purpose, fasten a piece of string first round one of her toes, and then to the end of the bed-post.