you know how nurses, after their babes have been properly changed, properly fed and given the breast, and lie soundly asleep, can freely go out and enjoy themselves, being granted leave, as it were, to do what they want for an hour since their presence about the cradle would seem unnecessary: in the same way each of our souls, while her body is asleep and concoction has been completed in all its stages, can go and enjoy herself, revisiting her homeland in Heaven, since nothing more is required of her before we awake.