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Can you be awake and asleep at the same time?

Discover the phenomenon known as asymmetrical sleep, where parts of an animal's brain are asleep while other areas remain active. -- Many animals need sleep. But all of the threats and demands animals face don’t just go away when it’s t...

/content/html/video/202401/22-6398.html 类别: 视频 点击: 108 日期: 2024-01-22
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