midnight
Again that unnamable and unmistakable terror was in her eyes , and she said , almost in a whisper , `` You are Lucifer . '' The door closed and she was gone . He stood staring after her for a minute , then returned to himself and to me . `` I 'll relieve Louis at the wheel , '' he said shortly , `` and call upon you to relieve at midnight . Better turn in now and get some sleep . '' He pulled on a pair of mittens , put on his cap , and ascended the companion-stairs , while I followed his suggestion by going to bed . For some unknown reason , prompted mysteriously , I did not undress , but lay down fully clothed .