nine o'clock
These tales were stored away in his mind for some future development or use . At eight o'clock Mr. Latimer called out , `` Youngsters ' bedtime ! '' `` Why we never have to go so early as this , '' said Don . `` In a lumber camp every man goes to bed at nine o'clock , sometimes earlier , if the day is long . We are up at five , you see , and work from six . Just wait until you see us work some nights until long after your tired eyes have closed , '' explained Mr. Latimer . `` Crickets !