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Sleep in fish - Wikipedia

en.wikipedia.org/wiki/Sleep_in_fish

Whether fish sleep is an intriguing question, to the point of having inspired the title of several .... The brain might not be able to do this while still assailed by new stimuli and new information...

How Do Fish Sleep | Sleep.org

sleep.org/articles/do-fish-sleep/

A peek into nighttime at the aquarium. Most animals sleep, and fish are no different. But how water-dwellers snooze can look really different from the way ...

Do Fish Sleep with Their Eyes Open? | Wonderopolis

wonderopolis.org/wonder/do-fish-sleep-with-their-eyes-open

And assuming they do, HOW do fish sleep? If you've ever watched fish for any length of time, you know they get plenty of exercise. They're constantly swimming  ...

www.ask.com/youtube?q=Do fish sleep?&v=55YwDntyKu0
Aug 10, 2015 ... Marine animals sleep underwater... but how?! Get 15% off http://www.domain. com's domain names and web hosting when you use coupon ...

Do Fish Sleep? - Live Science

www.livescience.com/32162-do-fish-sleep.html

Oct 2, 2012 ... They make great pets — quiet, docile, friendly enough — but do fish sleep? Scientists have found that most fish do sleep, and as with humans, ...

Do Fish Sleep? - Today I Found Out

www.todayifoundout.com/index.php/2015/03/fish-sleep/

Mar 3, 2015 ... Less like sleep and more like suspended animation, most fish species do spend some time resting. And like us, if they don't put in enough ...

Do Fish Sleep With Their Eyes Open? - Science ABC

www.scienceabc.com/nature/animals/how-do-fish-sleep-without-even-closing-their-eyes.html

Dec 24, 2015 ... This has been quite a mystery to many. How in the name of God do fish sleep when they are surrounded by water all the time? Of course, they ...

When Do Fish Sleep? : An Imponderables Book - Amazon.com

www.amazon.com/When-Do-Fish-Sleep-Imponderables/dp/0060740930

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  ...

Do Fish Sleep?: Fascinating Answers to Questions about Fishes ...

www.amazon.com/Do-Fish-Sleep-Fascinating-Questions/dp/0813549418

From the fifty-one-foot whale shark Rhincodon typus to a less-than-one-half-inch fish in the minnow family--the tiny Paedocypris progenetica--fish certainly carry ...

Where do fish sleep? - Beach Chair Scientist

beachchairscientist.com/2009/03/06/where-do-fish-sleep/

Mar 6, 2009 ... Here is an interesting adaptation – the parrotfish uses its spit to create a translucent “sleeping bag bubble” around its body while it sleeps.

Answer
Fish generally go into an energy saving mode of "rest" but do not "sleep" in the same way land animals do.
Since they do not have eyelids, they sleep with their eyes open.
More Info

Do fish sleep?

oceanservice.noaa.gov

Sep 16, 2014 ... It all depends on what one means by sleep. Sleep is described as a period of rest in which the eyes are closed and there is little thought or ...

How do fish sleep? | The Big Question

bigquestion.wordpress.com

Mar 4, 2008 ... Answer:Yes fish sleep. But it's not sleep as we know it. They don't have eyelids to close, they sometimes do it during the day, they don't show ...

Do fish sleep? | The Fisheries Blog

thefisheriesblog.com

Mar 9, 2014 ... Most fish do sleep. While most fish don't have eyelids, they do have a regular period of reduced activity and metabolism.