8th February 2016 by What's What Team
Dolphins’ sleeping style!
Dolphins are mammals that are found in the seas and oceans. When the dolphins sleep, they seem to float on the water with one eye open. This is because they sleep with one part of the brain at a time. The other half is awake and that keeps one eye open. If they sleep and become unconscious, they would suffocate or drown. To prevent this, they sleep with half of their brain. After some time, they close one eye and open the other eye, and sleep.
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