Dolphins can be awake and asleep at the same time because . See Concept 49.2 (Page) View Available Hint(s) Dolphins can be awake and asleep at the same time because . See Concept 49.2 (Page) one side of the brain can sleep while the other side maintains swimming and breathing behaviors their cerebellum never needs cortical input to guide swimming their hypothalamus coordinates swimming they lack connections between the cerebral cortices and the muscles their spinal cord controls swimming and breathing without cortical input Provide Feedback