Abnormal behavioral episodes associated with sleep and quiescence in Octopus insularis: Possible nightmares in a cephalopod?
E. A. Ramos, M. Steinblatt, R. Demsey, D. Reiss, M. Magnasco
This study reports abnormal behavioral episodes in an octopus during transitions between activity and sleep states, suggesting possible parasomnia or memory-related responses.
bioRxiv · May 11, 2023 · PreprintAnimal Behavior & Cognition