How Do Fish Sleep?
How Do Fish Sleep?
After a day of activity we all need rest and sleep, as well as animals, they also need to sleep. Doesn't matter they sleep at night and are active during the day (Diurnal) or sleep in the daytime and active at night (nocturnal).
They must be exhausted swimming all day. it seems impossible if they don't need to sleep, right?
But how? i mean if they fall asleep they can get carried away by the current. so how do they sleep?
Unlike most animal species, fish sleep in different ways. Most of them sleep with eyes that stay open!
Fish never go into REM sleep and some types of fish even have to keep making motion during sleep, so that the flow of water to stay awake to the gills. This ensures the fish gets enough oxygen supply. Bigger fish such as sharks, will make the movement very slowly swimming while sleeping. Stay with your eyes open.
Well, that's a little about How fish sleep, it's amazing right? And if you want to know more about animal world just follow @Animal-Life and you will get your daily interested fact and news about animal from all around the world.