He had thought to fall asleep at once, but he was wrong. His eyelids, which he had scarcely been able to hold up, now declined to close; they twitched rebelliously open whenever he shut them. He told himself that it was not his regular bedtime; that during the day he had probably rested too much. Someone seemed to be beating a carpet out of doors⁠—which was not very probable, and proved not to be the case, for it was the beating of his own heart he heard, quite outside of himself and away in the night, exactly as though someone were beating a carpet with a wicker beater.