ten o'clock
Then , if there is any hazing , we can keep together . To-morrow , if Songbird comes , it will be different . '' This suited the oldest Rover , and he brought over such things as he needed for the night . The boys were tired out , having put in a busy day , and by ten o'clock Sam and Tom were both yawning . `` I think I 'll go to bed , '' said Sam . `` If anything happens wake me up . '' `` Oh , you 'll wake up fast enough if they come , '' answered Tom .