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Heidi the Octopus
- Biologist David Scheel observed an octopus named Heidi changing colors dramatically while sleeping.
- He suggested these changes reflected Heidi's dream of hunting and eating a crab, mirroring her real-life color displays.
Historical Perspective on Animal Dreaming
- Peña-Guzmán's view on animal dreaming aligns with 19th-century naturalists like Darwin.
- They believed animals, not just humans, could dream.
Dogs Hunting in Dreams
- William Lauder Lindsay's 1879 book describes dogs' dream behaviors, like tail wagging, sniffing, and barking.
- He suggests these actions indicate an "imaginary pursuit" during sleep.