10 Animals Who Sleep With One Eye Open

By Meena

Dolphins sleep with one eye open to stay alert for predators and to keep breathing, as they need to surface for air.

Dolphins 

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Ducks sleep in groups. The ones on the edges keep an eye open for predators, ensuring the safety of the flock.

Ducks

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Surprisingly, even tiny fruit flies sleep with one eye open. They're always ready to take flight at the first sign of danger.

Fruit Flies 

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Walruses can sleep floating in water, keeping one eye open to watch for threats and to avoid drifting off course.

Walruses 

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Chickens roosting in trees will often sleep with one eye open to stay alert for predators lurking in the night.

Chickens 

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Parrots in the wild sleep with one eye open, a handy adaptation for living in predator-rich environment

Parrots 

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Porpoises, like their dolphin cousins, also sleep with one eye open. This helps them stay aware while resting.

Porpoises 

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Crocodiles sleep with one eye open when humans are around. It's their way of keeping an eye on potential threats.

Crocodiles 

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Seals can sleep in water with one eye open. This helps them spot predators and also prevents them from drifting.

Seals

Image:Canva

Many lizards sleep with one eye open to stay alert. It's a survival strategy in their predator-filled habitats.

Lizards 

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