Morgan's psychology professor assigns a sleep log to the students in class. They are to keep a journal of their sleep patterns for a week. They are also to record the content of their dreams during the week to have them analyzed.
At the conclusion of the sleep & dream log, Morgan comments to his professor that he thinks he didn't have any dreams because he couldn't remember any of them. He believes he never remembers any of his dreams, and questions whether he has them at all. Morgan's professor assures him that he does dream, and she proceeds to explain to him the modern theories regarding the purpose of dreaming.
Which of the following did the professor NOT tell Morgan?