A Preliminary Analysis of Sleep-Like States in the Cuttlefish Sepia officinalis Frank, Marcos G. ; Waldrop, Robert H. ; Dumoulin, Michelle ; Aton, Sara ; Boal, Jean G. Abstract Publication: PLoS ONE Pub Date: June 2012 DOI: 10.1371/journal.pone.0038125 Bibcode: 2012PLoSO...738125F