two o'clock
`` Good , my friend ! And do not fear that a night of anxiety awaits you . Indeed , if I am not mistaken , it will be possible for us all to sleep very soundly , though we may go to bed rather late . But I think we must be prepared not to retire till after two o'clock . I will enter upon my watch at eight -- in half an hour . The door shall be left open , as you wish . But I beg that none will approach the east end of the corridor .