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Why do we have nightmares?
New research suggests that individual personality traits and emotional state can play a significant role in how many nightmares a person has, and how profoundly they are affected by them. But what are nightmares? Why do we have them, and do they serve any real purpose?
Joining Se\xe1n to discuss is Dr Deirdre Barrett, Dream Researcher at Harvard Medical School, and author of \u2018Committee of Sleep\u2019 and \u2018Pandemic Dreams\u2019.