My friend was saying that shark never sleeps because to keep it afloat it has to continuously swim so that it cant sleep this claim is repeated in the ocean of know they certainly need to. Despite all the research on sharks over the years shark sleep is still somewhat of a mystery learn the latest thoughts on whether sharks sleep. If youre asking whether sharks snuggle into a crevice in a coral reef for their hardeight the answer is no they dont but if you define sleep as resting not eating and conserving energy as george h burgess director of the florida program for shark research at the florida . Do sharks sleep we know a lot about sharks and yet we also know so little one frequent question people have is do sharks sleep here is the answer
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