Cyclic nature of the REM-like state in the cuttlefish Sepia officinalis
T. L. Iglesias, J. G. Boal, M.G. Frank, J. Zeil, R.T. Hanlon
This study identifies a cyclic REM-like state in cuttlefish that meets two of three sleep criteria and exhibits dynamic skin patterns.
bioRxiv · Nov 23, 2017 · PreprintAnimal Behavior & Cognition