Frigate birds power nap [0] so they can stay aloft for weeks, and other birds have been seen to sleep with half their brain at a time [1]. Pretty cool stuff! H

Frigate birds power nap [0] so they can stay aloft for weeks, and other birds have been seen to sleep with half their brain at a time [1]. Pretty cool stuff! Have to wonder when this evolved, and whether it could be mimicked. 0: https://www.audubon.org/news/scientists-finally-have-evidence-frigatebirds-sleep-while-flying https://www.audubon.org/news/scientists-finally-have-evidenc... 1: https://en.m.wikipedia.org/wiki/Unihemispheric_slow-wave_sleep https://en.m.wikipedia.org/wiki/Unihemispheric_slow-wave_sle...