Princeton University Press
HEIDI the octopus is dreaming. As she sleeps, her skin changes from smooth and white to flashing yellow and orange, then to deepest purple and, finally, to a series of greys and yellows, criss-crossed by ridges and spiky horns.
David Scheel, Heidi’s human carer, has seen this pattern before in waking octopuses: Heidi, he says, is dreaming of catching and eating a crab.
The story of Heidi’s dream, told in the 2019 documentary , provides the starting point for a barnstorming new book, When Animals Dream: The hidden…
