What Is Sleep?

The video explores the significance of sleep, highlighting its essential role in human life. It delves into the brain's activity during different sleep stages, such as alpha, theta, and REM waves. Various theories on why we sleep are discussed, including energy conservation and growth. The video emphasizes the benefits of sleep for memory, healing, and brain cleansing, urging viewers to prioritize rest for overall well-being.

What new insight or understanding did you gain from this video?