about nine o'clock
Do you think you shall sleep ? '' `` I do n't feel like it now . I do not generally get sleepy till a great while after this . '' `` You will go to sleep somewhere about nine o'clock , '' said the doctor ; `` and not wake up till you are called in the morning . '' I thought he was mistaken , but as I could not prove it I said nothing . `` Are you glad to get away from school ? '' `` On some accounts .