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Its true.Sharks swim while they sleep.The reason they do that is because in order to breathe they need water running through their gills all the time.So when they sleep they move to keep breathing.If they stop moving THEY CANT BREATHE AND WILL DIE!!

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11y ago

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Who is the animal not sleep hole life?

its the sharks the sharks dont sleep ever they can low the energy that goes to the brain so they rest but they dont sleep and they dont stop from swimming


Do sharks sleep?

Yes, sharks do sleep but in a different way than most animals. They enter a state of restful inactivity where their brain activity and alertness levels are reduced, allowing them to rest and conserve energy. Some species of sharks have to keep swimming even while sleeping in order to pass water over their gills for oxygen.


How long do nurse sharks sleep?

Basedd on my experienes in Eleuthera, Bahamas, nurse sharks actually do nap, breathing regularly and without moving, which most shaks cannot do; they have to be moving to get enough water through their gills. Nurses can breathe stationary because they can pum water through their mouth and out their gills. Nurse sharks generally dont have a sleep period like we do, they dont have a long period of REM sleep, which is when you are in a deep sleep state. Nurse sharks generally nap for around an average of 1 hour, but sometimes 2, and 3 hours as well. Nurse sharks will nap either on the sea floor (in my case, in a small bay area, 20 feet deep) or in their shallow nests. Nurse sharks are generally nocturnal animals, which is why the often nap in the day.


Do sharks fall asleep when they are flipped over?

The answer to this question is no. Sharks don't sleep the must continously move or they will die. It's rare to see a shark flipped over or upside down. But if they do it is hard to swim and they do not want to have difficulties swimming and stayin alive.


What animals don't sleep in the night?

Bullfrogs do not sleep. They do not sleep because they do not have a need for "rebound energy". Dolphins don't sleep with their whole brain simultaneously. The need to leave half awake to deal with breathing.