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One animal I know that never sleeps is a Shark! If the Shark sleeps then the shark will stop swimming and then stop breathing and soon die so Sharks do not sleep!
A shark never sleep because it has to swim to breathe.
The bullfrog.
The bullfrog
fish don't sleep, they rest in a state that energy is not lost from their bodies or conserved
Ants never sleep.
ant
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14y ago

What else can I help you with?