Uploaded April 2025 | Updated September 2026, 1 hour ago

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Have you ever wondered how dolphins sleep without drowning?

Unlike humans, dolphins don’t breathe automatically—they have to choose to surface for air. So, when it’s time to rest, only half their brain sleeps at a time!
#dolphins #dolphin #sleeping #animalfacts #marinelife #marinebiology #marinewildlife #nature #naturelovers