It was accompanied with a motion like some one changing his posture.

What I at first conceived to be a groan appeared now to be nothing more than the expiration of a sleeping man.

What should I infer from this incident?
My companion did not apprize me that the apartment was inhabited.

Was his imposture a jestful or a wicked one?
There was no need to deliberate.

There were no means of concealment or escape.