#5 How Do Whales Sleep Without Drowning? The Half-Awake Brain

from Curiosity Fuel - Daily stories. Five-minute facts · host Curiosity Studios

Whales are mammals, so they need to breathe air. But how do they sleep in the ocean without drowning? The answer is a fascinating biological superpower called unihemispheric sleep, where they literally shut down only half of their brain at a time. Discover how these ocean giants manage to rest, breathe, and watch for predators simultaneously.

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This episode was published on August 13, 2025.

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