"The children must sleep soon. It is recommended that we maintain a degree of silence, for 'sleep' is an important part of the educational regimen in which the brain processes and reviews the knowledge that was gathered during the waking hours," Meursault said, not even needing to glance at the clock to know the time. He watched as some of the younger children were led back to their rooms by another member of the branch, eyes returning to the book he was reading.