English: Chronology of sleep-like behavior in representative cuttlefish ‘Tiny’. Animal is oriented with head facing upper right corner of the frame. 0:00–1:06! Quiescence (sleep-like state), 0:07–2:09! Sleep-like state+CA (activation of chromatophores, movement of eyes beneath lids, small movements of arms, 2:10–2:45! Transitions in and out of arousal, 3:34-! Quiescence resumes.