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

How do white sharks sleep? Tuesday, May 01, 2012 ... What would a great white shark say on twitter? @MarineDynamics Just had a 15kg tuna, delicious! or perhaps @YellowFinTuna IM COMING TO GET YOU!!! Did you know: Great White Sharks use body language to communicate. As far as we know, white sharks do not produce noises, other than slapping their ...

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

Great white shark caught sleeping on film for the first time Video could finally offer insight into the mysteries about how sharks get their shuteye.

www.sciencealert.com/watch-this-is-the-first-video-of-a-shark-sleeping

But, until recently, nobody had ever seen Jaws sleep. Discovery Channel has shared a clip from one of the new shows in this year’s Shark Week, Jaws of the Deep, which includes the first-ever footage of a great white shark sleeping.

www.sharksider.com/do-sharks-sleep

This can be viewed as a rest-state or a period of sleep depending on your point of view. To others this is not a clear cut sign that sharks sleep or not. Picking a Side in the Argument. With our current understanding of sharks and a concrete definition of sleep, it is more than difficult to state if sharks do or do not sleep.

cpapamerica.com/2016/06/30/video-watch-great-white-shark-sleep

The great white shark may not know where she will wake up next, but she will survive another night thanks to this fantastic life-preserving mechanism. The entire thing is mesmerizing, as it explains how a great white shark’s routines change from night to day, showing for the first time how these creatures sleep.

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

How do sharks sleep? Well, they don’t sleep, exactly. 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 species do, however, cycle through alternating periods of alert wakefulness and profound rest that is similar to sleep.

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

Since schooling behavior is partially coordinated by vision, many other sharks are most active at dawn and dusk, when such prey is at a disadvantage. Studies such as these suggest that at least some sharks do not sleep at night. We used to think that the Great White Shark (Carcharodon carcharias) was primarily active during the day. But it ...

www.thoughtco.com/do-sharks-sleep-2291555

Shark species that need to swim constantly to keep water moving over their gills seem to have active periods and restful periods, rather than undergoing deep sleep like we do. They seem to be “sleep swimming,” with parts of their brain less active, or "resting," while the shark remains swimming.