Throughout Finnegans Wake Joyce specifies the Tower of Babel as the tower of Sleep, that is, the tower of the witless assumption, or what Bacon calls the reign of the Idols.
Marshall McLuhan, W. Terrence Gordon, Elena Lamberti, Dominique Scheffel-Dunand (2011). “The Gutenberg Galaxy: The Making of Typographic Man”, p.208, University of Toronto Press