two o'clock
I will warrant myself not to go to sleep . '' In spite of this , however , in less than ten minutes after his return Bertie 's regular breathing showed that he was sound asleep . Harry and Maria continued their watch , but no longer with the same intentness as before . They were sure that Dias would not have lain down unless he felt perfectly certain that the Chincas would make no fresh move until the morning , and they chatted gaily until , at two o'clock , Dias came up . `` Everything is quiet here , Dias . My brother is fast asleep , but I will wake him now that you have come up . '' `` Do not do so , señor ; he worked very hard building the walls today .