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A comment on Why birds do not fall while sleeping. Parent comment

Re:Why birds do not fall while sleeping by danans on Thursday October 17, 2024 @11:08AM (#41870381)
> I.e. why wasn't in simpler in evolutionary terms to come up with some mechanism where 1% of the brain was dedicated to the relatively simple task of "station keeping",

Supposedly this is how dolphins sleep, shutting off part of the brain and using the other half to swim.

https://us.whales.org/whales-dolphins/how-do-dolphins-sleep/....

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Re:Why birds do not fall while sleeping by HarHarVeryFunny on Thursday October 17, 2024 @11:25AM (#41870536)
I think all aquatic mammals do this - they don't have much choice since they need to surface to breathe, so need to be semi-awake all the time.
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Re:Why birds do not fall while sleeping by yencabulator on Wednesday October 23, 2024 @11:38PM (#41931663)
Not walruses: https://animals.howstuffworks.com/mammals/walrus-sleep-witho...

Not otters: https://www.animalwised.com/how-do-otters-sleep-4669.html

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