A gentleman ... sleeps at his work. That's what work's for. Why do you think they have the SILENCE notices in the library? So as not to disturb me in my little nook behind the biography shelves.
I think of a plot, I think of an idea, and then I wonder, How can I get that onto the stage? . . . Whatever devices you use should always be there to serve the theme. If the theme has been overtaken by the device, then something's wrong.