Weird sleep adaptations – what are they and what are they for?

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Some animals show unusual behavioural adaptations while sleeping like in whale , porpoise shut down half part of their brain and one eye alternately for some time.

In sea otters they sleep on the back and avoid drifting in sea current .

Similarly ducks sleep with one eye open to keep track of predators .

Bats sleep upside down hanging from a support .

In birds claw muscles relaxed and clench the branch of tree so they don't fall .

gladiator answered 2 years ago

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Weird sleep adaptations – what are they and what are they for?

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