six o'clock
`` You write the note . I always wake early in the morning -- I got the habit in Texas and it seems to stay with me . I 'll get up and take it over early -- very early , and give it to the maid -- or -- I could send it by Denham , could n't I ? He 's always up by six o'clock . '' `` Of course -- the very thing ! You 're sure you do n't mind ? You 'll be awfully sleepy in the morning . ''