three o'clock
`` Happened , Jack ? Why , nothing at all , and that 's just what 's the matter . If only something _ did _ come along to break up this terrible monotony , I 'd welcome it ; but every day 's like the one before it . I go to bed , and get to sleep all right , but when I wake up along in the early hours , about two or three o'clock , I begin to think , and lie there till dawn comes , just groaning to myself , and trying to make up my mind what I ought to do . '' `` I 'm sorry to hear that , Big Bob , sure I am , '' said Jack , his voice telling the same thing . `` But you say things have n't changed at home . By that I reckon you mean your father has n't asked you anything about that letter he gave you to mail ? ''