Sharks rest in an approximation of what is termed sleep in land animals, though they do it with their eyes open. However, some sharks are nocturnal, which means they are active at night and rest during the day, and other... More »

Sharks do not sleep in the way that land animals such as humans do, but sharks do experience quiet periods and undergo what is called sleep-swimming. It was once believed that all sharks had to stay awake constantly in o... More »

www.reference.com Pets & Animals Marine Life Sharks

Sharks do not sleep in the same manner most other animals do, instead having split periods of rest and activity, according to the Florida Museum of Natural History. Many species of shark must maintain movement in order f... More »

Sharks interact with a variety of different animals in their habitat, as they are predators, prey and hosts for a variety of other species. While some sharks reach large sizes and as adults are apex predators that fear n... More »

There are not any animals or predators who eat adult hammerhead sharks. Larger sharks may prey on injured or young hammerhead sharks. More »

Sharks hunt for their food by using what is known as the Lévy walk. The shark swims along a route based on a complex mathematical pattern, similar to a type of fractal. These routes increase the shark's chances of findin... More »

According to the Bible, God created night and day, sky and sea, land and vegetation, sun and moon, sea creatures, animals and humankind on the first six days respectively. On the seventh day, God rested. More »