six o'clock
`` Now , Mr. Probert , '' said the captain , `` do you and Joe turn in , till first watch . I will take charge of the deck . After that , you can set regular watches again . '' The main-topsail was already on her and , at six o'clock , the captain had two of its reefs shaken out ; and the other reef was also loosed , when Mr. Probert came up and took charge of the first watch , at eight bells . That night Bob lay on the floor , for the motion was more violent than before -- the vessel rolling , gunwale under -- for the wind no longer pressed upon her sails , and kept her steady , and he would have found it impossible to maintain his position in his berth . In the morning , he went up . The sun was rising in an unclouded sky .