He was not asleep, however.

His ears were open, and so were his eyes the most of the time.

He saw everything that was done and heard all that passed between his mother and David, but not a word did he hear that interested him.

David had already given his mother a history of the events of the day.

She knew what his plans were and approved them.
When nine o'clock came David took possession of the other half of the "shake-down" and prepared to go to sleep.