Do Animals Dream? With David M. Peña-Guzmán
Big Brains
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The Emotional Depths of Animal Dreams
Not all animal dreams appear to be good. There's just as much evidence of animal nightmares as animal dreams. In young elephants in particular, experience a deeply traumatic effect such as witnessing human poachers murder one of their family members and cut out the tusks. And later when they are asleep because they've been traumatized, they begin replaying that over and over again. They replay it so much that it can become a problem for their mental wellbeing.
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