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When Do Fish Sleep? : An Imponderables Book (Imponderables Books)

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Do Fish Sleep? - Today I Found Out

Ponder, if you will ...
Why are tennis balls fuzzy?
How come birds don't tip over when they sleep on telephone wires?
What makes yawning contagious?
Why, oh why, do roosters have to crow so early in the morning?

Pop-culture guru David Feldman demystifies these topics and so much more in When Do Fish Sleep? -- the unchallenged source of answers to civilization's most baffling questions. Part of the Imponderables® series and charmingly illustrated by Kassie Schwan, When Do Fish Sleep? arms readers with the knowledge about everyday life that encyclopedias, dictionaries, and almanacs just don't have. And think about it, where else are you going to get to the bottom of why Mickey Mouse has only four fingers?

Ponder, if you will ...
Why are tennis balls fuzzy?
How come birds don't tip over when they sleep on telephone wires?
What makes yawning contagious?
Why, oh why, do roosters have to crow so early in the morning?

Pop-culture guru David Feldman demystifies these topics and so much more in When Do Fish Sleep? -- the unchallenged source of answers to civilization's most baffling questions. Part of the Imponderables® series and charmingly illustrated by Kassie Schwan, When Do Fish Sleep? arms readers with the knowledge about everyday life that encyclopedias, dictionaries, and almanacs just don't have. And think about it, where else are you going to get to the bottom of why Mickey Mouse has only four fingers?

Do fish sleep? | The Fisheries Blog

Most animals sleep, and fish are no different

Some fish make elaborate preparations for sleep. In David Feldman's book When Do Fish Sleep?, a scientist describes the nightly ritual of a tired parrotfish that lives in reefs near shore. The parrotfish squeezes into a crevice on the reef. Once settled in, it begins oozing a jelly-like mucus, which forms a protective membrane over his body, and then he nods off into a deep sleep.