MODERN SLEEP-LEARNING: Page 115
material, it is now possible to go to sleep and catch up on your reading at the same time. It is not indicated that these "talking books" be used in sleep learning (unless, of course, the student so desires), and certainly the repeating mechanism would not be a desirable adjunct to reading a novel. But perhaps, somewhere, sometime, there will be a sleep-student who must memorize a novel. After all, who would have thought of sleep-teaching a parakeet?