eleven o'clock
`` It was a man in a long coat . '' `` What woman was a man ? '' I discouraged her without looking up , and she went back to the couch . It was eleven o'clock when I finally prepared for bed . In spite of my assumption of indifference , I locked the door into the hall , and finding the transom did not catch , I put a chair cautiously before the door -- it was not necessary to rouse Liddy -- and climbing up put on the ledge of the transom a small dressing-mirror , so that any movement of the frame would send it crashing down . Then , secure in my precautions , I went to bed . I did not go to sleep at once .