Which of the following pieces of evidence is most problematic for Freud's dream-protection theory?

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Freud's dream-protection theory suggests that dreams serve to protect us from the anxiety and unconscious desires that we experience during waking life. However, the fact that people who experience trauma tend to have repetitive nightmares suggests that dreams may not always serve a protective function. In fact, these nightmares may be a way for the unconscious to process and work through the traumatic experience, rather than protecting us from it.

Which of the Following Pieces of Evidence Is Most Problematic