Yahoo: How Coastal City Lights are Robbing Sharks of Their “Sleep Hormone”
Sharks do not sleep the same way humans or most animals do. Some species must keep swimming to push water over their gills, while others can rest on the ocean floor. Scientists have discovered that ...
Sharks sometimes sleep with both of their eyes open, scientists have discovered. Scientists already know that sharks do not sleep or rest in the same way mammals do. For example, some sharks must swim ...
Smithsonian Magazine: Sharks Apparently Do Sleep, Even With Their Eyes Wide Open
Draughtsboard sharks apparently snooze with their eyes open or closed depending on the amount of surrounding light. Victorgrigas via Wikimedia Commons Sharks can sleep, and often opt to keep their ...
Boston Herald: Do sharks sleep? And with their eyes open? Researchers find new clues about shark siestas
Do sharks sleep? And with their eyes open? Researchers find new clues about shark siestas
The Conversation: Animals sleep, but little is known about how sharks do it
The New York Times: Sharks Sleep, Even When Both Eyes Are Wide Open
Raleigh News & Observer: Eerie photos show sharks appearing to sleep atop shipwrecks off North Carolina
Eerie photos show sharks appearing to sleep atop shipwrecks off North Carolina
The Virginian-Pilot: Do sharks sleep? And with their eyes open? Researchers find new clues.
Do sharks sleep? And with their eyes open? Researchers find new clues.
Discover interesting facts about where sharks live, how big they can get, and how likely it is to get bitten by one.