How is it possible that sharks are able to go without sleep? Is it an
instinctive trait or part of their genetic makeup like a hormone? If you
could provide me with as detailed a response as possible I would be very
Since I am a marine mammal scientist, I can't personally answer your
question about sharks. I'd recommend that you take a look at this website
authored by Rick Martin, a shark biologist. I found a good link on his site
pertaining to sleep which might answer your question.
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