How to Sleep Fish?

Lang – July 13, 2017

How do ya sleep fish in the water? (Picture: freeimages.com )

After a long day of exhausting work, sleeping at night is a chance for your body to rest . At the same time prepare the energy for tomorrow's activities.

But what about the fish? If noted, the fish must be very tired after swimming all day. It seems impossible if the fish do not need to sleep right?

But how? Is it not that if the fish is asleep, he will be carried away and lost? Curious is not it?

Of course the fish need to sleep just like us and other living things. But of course the way is different.

Fish do not use pillows and blankets while sleeping, unlike us. Fish sleep in strange conditions according to us. Most of them sleep with eyes that stay open! That's why we do not realize that the fish is actually sleeping soundly.

If you have an aquarium, it would be easier to observe how the sleeping conditions of fish. Someday your pet fish will surely be in a state of silence as if unconscious, but with eyes that remain open and will generally stay at the bottom of the aquarium.

And if we sprinkle his favorite food, it will be very long until the fish responds. That's when he slept.

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 like sharks, will make a very slow motion swimming when sleeping. Stay with your eyes open.

While fish that live in coral rocks, will menelusup among the rocks during sleep, in order to be protected from predators.

Additional Info

What about the dolphins? While living in the ocean, do not forget that dolphins and whales are mammals. They breathe with the lungs, just like us.

Dolphins should also surface periodically to inhale oxygen. How do they sleep?

In a journal Neuroscience & Biobehavioral Reviews of 2008, it was revealed that dolphins sleep by a method called " unihemispheric slow-wave sleep ", or we describe it as a sleeping state in a semi-conscious state, and remain active in motion.

Believe it or not, the dolphins just lull their half-brain each session, alternately every four hours. If the right brain sleeps, the left eye is open, and vice versa. What is the point?

This makes the dolphins always and half-awake conditions, so they still can breathe smoothly. And more importantly, immediately avoid if his life threatened predators.