Their brains evolved to put different parts of itself to sleep at a time.
Iirc sharks put one half of their brain to sleep at a time. Though that might be dolphins I honestly don't remember.
Hell it might even be both my brain is a tangled ball of yarn lmao
Their brains evolved to put different parts of itself to sleep at a time.
Iirc sharks put one half of their brain to sleep at a time. Though that might be dolphins I honestly don't remember.
Hell it might even be both my brain is a tangled ball of yarn lmao