2 Metaphors for sleeper

"Quiet sleeper," he reflected; "or perhaps it is an empty room.

There is a mystery conveyed in each of these particulars: the night is the world; the sleepers are the children of this world, who are asleep in their sins; the cock is the preacher who preacheth boldly, and exciteth the sleepers to cast away the works of darkness, exclaiming, Woe to them that sleep!

2 Metaphors for  sleeper