midnight
`` So we will , '' answered Jack Vance ; `` that is if you 'll think of the plan . I 'm not able to make one , and I 'm jolly sure Mugford ca n't . '' The speaker turned over and went to sleep ; but after what seemed half the night had passed , he was suddenly aroused by several violent tugs at his bed-clothes . Thinking it nothing less than a midnight raid , Jack sprang up and grasped his pillow . `` No , no , it 's not that , '' said Diggory , `` but I wanted to help you ; I 've got an idea . '' `` W -- what about ? '' asked the other , in a sleepy voice .