The Secret World of Animal Sleep Dozing Dolphins

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=EJzUKsJ-uhA

We know marine mammals like dolphins need air to breathe, but what happens when they rest? The solution is a fascinating form of half-sleep that allows them to emerge for air without waking up. Dive into the weird world of underwater slumber. • From the Series: The Secret World of Animal Sleep: Dozing Dolphins https://bit.ly/2yAHHwk

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