Do You Need a Brain to Sleep?

The video explores the complex nature of sleep across various organisms, from humans to simple creatures like jellyfish and sponges. It discusses how sleep is not solely linked to the brain, as even organisms with simple neural networks can sleep. Different animals have unique sleep patterns, such as dolphins sleeping with half their brain. The video also delves into the evolution of sleep, its role in metabolism, and the challenges of studying sleep in creatures without neurons. Understanding these aspects can lead to insights into human sleep and potential treatments for sleep disorders.

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