do fish sleep

Do Fish Sleep?

Most fish sleep. But is it the way we do? Well, no. Then how do fish sleep and when? Find your answer along with some other amazing facts about the sleeping habits of different animals.

Let us first understand what the term 'sleep' means. According to the Merriam-Webster dictionary, sleep is, 'the natural periodic suspension of consciousness during which the powers of the body are restored.' In simple terms, it is a state of utter relaxation, where there is a temporary cessation of thoughts and ideas, and the strength of the body gets restored. Does the sleep of fish fit this definition? Or do they sleep some other way? Fish and Sleep Fish do sleep. Most fish, other than sharks, do not have eyelids. Some fish in the deep ocean never stop moving, but some of them are almost always nearly motionless. Some are active during the day and take rest at night. Some fish are seen floating at a particular place, while others take shelter in a particular spot, like the mud or corals. Some even build a nest for resting. These fish remain alert for any sign of danger, but at the same time, are able to rest peacefully. Here are some more interesting facts on the sleeping habits of different animals, which are pretty amusing. Amazing Facts on Sleeping Habits of Animals Given below are some interesting facts on the sleeping habits of different animals.

Cockroaches sleep for a period of 14 hours. If they are deprived of this, they make up for their sleeping hours the next day.
Snakes sleep with their eyes open as they don't have eyelids.
Elephants stand during their non-REM sleep, but lie down for the REM sleep (the stage of sleep when dreams occur).
Crocodiles sleep with their mouths open.
Large animals like lions which are carnivorous and feed on other animals, can afford to sleep for long periods (as much as 17 hours), because they are rarely in danger.
Birds dream about singing, while they are asleep.
Albatrosses can sleep while they are flying.
Some animals can tuck themselves even in a bed of cold snow.
A red fox is warm and snuggles in its own fuzzy coat.
A snail, on an average, can sleep for a period of 3 years!
A koala can sleep up to 22 hours in a day, which is almost the whole day.
On the other hand, a giraffe sleeps for less than 2 hours in a day.
Another lazy sleeping animal is the sloth, which sleeps for around 20 hours of the day.

Every animal needs a period of rest and as mentioned earlier, some lazy animals like koalas and sloths sleep for 20 hours in a day, while animals like giraffes sleep for very less time (even we humans get to sleep more!). Sleep is extremely important because every living being is active and needs some rest period to restore the lost energy.

do fish sleep

Do Fish Sleep?

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