I WONDER - Why Do Bats Sleep Upsidedown? Me Pregunto - Por Qué Los Murciélagos Duermen Boca Abajo?

The video explains how bats sleep hanging upside down and the safety benefits of this position. It also describes the unique features of bats' circulatory system that prevent blood from pooling in their heads, allowing them to hang without discomfort.

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