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Sleep in fish


Whether fish sleep is an intriguing question, to the point of having inspired the title of several popular science books. In birds and mammals, sleep is defined by eye closure and the presence of ty...

Do fish sleep? | The Fisheries Blog


Mar 9, 2014 ... The short answer is yes; most fish do sleep. ... Researchers monitored the sleep patterns of normal Zebrafish and those that lacked a functional ...

How do fish sleep? | The Big Question


Mar 4, 2008 ... They don't have eyelids to close, they sometimes do it during the day, they don't show the characteristic brainwave patterns like REM sleep ...

Do Fish Sleep with Their Eyes Open? | Wonderopolis


Apr 23, 2014 ... Fish do sleep with their eyes open, because they don't have eyelids ... What other things about human sleep habits might fish find peculiar?

Do Goldfish Sleep? How, when and how can you tell? | The Goldfish ...


The answer to the question “do goldfish sleep?” is one of the most common things new goldfish keepers want to know about their fish.

Sleeping fish - Seafriends


Swhowing how fish sleep and how some are nocturnal. ... Perhaps they relax their bodies and their skins, and the colours and patterns that then appear, are ...

Do Fish Sleep? - Live Science


Oct 2, 2012 ... Scientists have found that most fish do sleep, and as with humans, they ... Then they monitored the snooze patterns of normal zebrafish and ...

Do fish sleep at night? | Reference.com


According to Live Science, most fish species do sleep, although their sleep cycles are different from human or mammalian sleep. Certain shoaling species that ...

Do Fishes Sleep? - Australian Museum


Oct 8, 2012 ... Deciding if a fish is asleep depends on many factors, one of which is the definition of ... So, as far as brain-wave patterns go, fishes don't sleep.

www.ask.com/youtube?q=Sleeping Habits of Fish&v=GemJIEO9AFw
Mar 16, 2012 ... My angelfish that I've had for three years has done this every night.
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

How Do Fish Sleep | Sleep.org


Find out the truth about whether or not fish sleep. ... And their normal sleep patterns fall by the wayside during moments like migration, spawning, or when they ...

Do Fish Sleep? - Today I Found Out


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 ...

Some Fish Facts by Aquarium Professionals Group


Do Fish Sleep? Fish do sleep. Most fish don't have "eyelids". If the aquarium lights are left on for twenty-four hours a day, the fish will not sleep. They will become ...