Question

why dolfin sleep one eye open​

Answer 1

Answer:

As They Are Mammals

Explanation:

They Sleep One eye Closing As They Need Protection & Safety .

Answer 2

Answer:

Because they need to periodically come up for air and keep an eye out for potential predators, dolphins can't curl up and zonk out at night like land mammals can. so they must stay somewhat conscious and sleep with the proverbial one eye open.

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