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 .....
They are sleeping, and they can sleep at any time during the day or night. Fish do
sleep with their eyes open, because they don't have eyelids (except for some ...
Essentially all organisms with a true brain sleep. As far as I know, all vertebrates
sleep. ... Fish do sleep and the "kinds" of sleep fish display is determined to a
great extent upon the kind of lives they lead. 530 Views · View Upvotes ...
www.ask.com/youtube?q=Do Fish Sleep with There Eyes Open?&v=z6pQvWZemVc
Aug 3, 2009 ... Scientific study to see if fish do actually sleep. Evidently they do. ... ha ha, fish
dont sleep they rest there dead :D. Read more. Show less. Reply
How in the name of God do fish sleep when they are surrounded by water all the
time? Of course, they ... Therefore, they sleep with their eyes open! This has led ...
Do goldfish sleep with their eyes open? Do goldfish sleep at night ... The answer
is that goldfish do sleep, but not in the same way we do. Goldfish sleep is more ...
Find out the truth about whether or not fish sleep. ... sharks are the only fish that
even have them and only close them to protect their eyes during encounters with
Apr 19, 2009 ... Answer to the science question: Why don't fish have eyelids? ... How long do they
sleep and how can they rest if their eyes never close?
Dec 5, 2014 ... However they sleep with their eyes open as they do not have eyelids. ... Fishes
do have a period of reduced activity and metabolism which ...
May 1, 2015 ... ELI5: Why can some animals sleep with their eyes open but humans can't? ...
There are animals out there (most, if not all fish, snakes, etc.) ...