Subvocal reading while asleep more effective than reading while awake.

Scroll down in the link to read the article in English. They talk about reading textbooks while sleeping. Fair enough. But what about, say, Finnegan’s Wake or the Mabinogion, or perhaps the Book of Kells? I’d like to be able to quote the Book of Kells in casual conversation, not to mention "A way a lone a last a loved a long the riverrun, past Eve and Adam’s, from swerve of shore to bend of bay…" Well, I can quote that, but still: http://bit.ly/f3Synh