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Probably just a one-line change. Can we sneak that in the next release?

Birds that fly long distances sleep with half their brain at a time so they don't fall out of the sky to their doom into the ocean below.

https://www.audubon.org/news/scientists-finally-have-evidenc...

In some old Western movie -- as in The Wild West with cowboys -- there was a Samurai character who claimed to sleep while they marched somewhere.

I have no idea how to look up a citation supporting the idea that this was a real phenomenon, but I did find this article that I kind of skimmed and I don't think it says anything on the topic I want a citation for and additional googling gets me absolutely nothing of value:

https://www.bbc.com/future/article/20160506-the-japanese-art...

Do those birds not have a similar division of labor to us in the brain, where each side of the body is controlled by the opposite side of the brain?

Once, while in the military on a three day exercise with little/no sleep I fell asleep while running in formation (returning from an exercise). I woke up three hours later when the instructors drug us out of our tents.

I won't swear that I was "truly" asleep, but I have no memory of the last three miles of that run, nor of climbing into the fartsack.

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