Sons of the Soil by Honoré De Balzac

The cautious usurer compelled his wife and Jean to go to bed and to rise by daylight; assuring them that the house would never be attacked if he sat up till midnight, and he never himself rose till late. Not only had he thus secured himself from interruption between seven at night and five the next morning but he had accustomed his wife and Jean to respect his morning sleep and that of Hagar, whose room was directly behind his.

So, on the following morning, about half past six, Madame Rigou, who herself took care of the poultry-yard with some assistance from Jean, knocked timidly at her husband's door.