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Sharks do not sleep like humans do, however they do appear to have restful periods.

How do white sharks sleep? - Marine Dynamics

www.sharkwatchsa.com/en/blog/category/482/post/1099/how-white-sharks-sleep/

Shark sleeping patterns have puzzled scientists for many years. All sharks extract oxygen from the water with their gills, and to do this water must move over and ...

Do Sharks Ever Sleep, and How? - Marine Life - About.com

marinelife.about.com/od/fish/f/howdosharkssleep.htm

Despite all the research on sharks over the years, shark sleep is still somewhat of a mystery. Learn the latest thoughts on whether sharks sleep.

Do Sharks Sleep? - SharkSider.com

www.sharksider.com/do-sharks-sleep/

Dec 30, 2014 ... Sharks are the terrors of the seas to some but the most graceful and amazing creatures to others. No matter what your personal opinion of ...

How Do Sharks Sleep? Get The Fascinating Facts Here!

www.sharksider.com/how-do-sharks-sleep/

Jan 19, 2016 ... Sharks do not experience sleep the same way humans do. Some can't sleep at all, and the ones that do never close their eyes. Some shark ...

How Do Sharks Swim While Asleep?

www.elasmo-research.org/education/topics/b_sleep.htm

In response to a question about whether or not sharks sleep and, if they do, how do they swim while unconscious, I wrote: Sleep is one of the last bastions of ...

How Do Sharks Sleep? Do They Dream? | The Huffington Post

www.huffingtonpost.com/van-winkles/how-do-sharks-sleep-do-th_b_7743920.html

Jul 7, 2015 ... Sharks and their sleeping habits are still very much a mystery, mainly because of the challenge of monitoring sharks for a 24-hour period, ...

www.ask.com/youtube?q=Do Sharks Sleep?&v=_fnjgF9K_YE
Mar 18, 2011 ... 2 White Tip Sharks hanging out in a cave while a cleaner wrasse does its job! Who knew sharks could just sit?

Great white shark caught sleeping on film for the first time | MNN ...

www.mnn.com/earth-matters/animals/stories/great-white-shark-caught-sleeping-film-first-time

Jul 1, 2016 ... But like all animals, sharks still need to sleep. So how do they snooze when they need to swim? Interestingly, very few shark species have ever ...

Do Sharks Sleep? - International Wildlife Museum

www.thewildlifemuseum.org/exhibits/sharks/do-sharks-sleep/

Sharks do not sleep like humans, but instead have restful periods. Sharks become semi-conscious rather than fall asleep. Certain species of sharks have to  ...