Which animal keeps one eye open while sleeping?

Question

wolf

Answer 1

The animal that keeps one eye open while sleeping is the wolf. This behavior allows them to stay vigilant and aware of their surroundings even while resting.

Answer 2

The animal that keeps one eye open while sleeping is the dolphin. Dolphins have the ability to keep one half of their brain awake while the other half sleeps, which allows them to remain partially alert to potential dangers in the water.