Originally published at: Sleep with one eye open thanks to this nap pillow with a menacing red panda | Boing Boing
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Oh wow, we can post on Boing Boing Shop posts again? /s
I was fascinated to learn that ducks sleep in a row (yes), and the ducks at each end of the row only put half their brains to sleep. At some point they change watch, which involves getting up, turning round, and letting the other half of the brain sleep.
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