Rivaling the record for least sleep among mammals, northern elephant seals sleep a mere two hours a day, split into a series of nap-like “sleeping dives” at depths not typically occupied by predators.

Elephant seals sleep about 10 hours a day on the beach, but during months-long foraging trips at sea they average just 2 hours of sleep per day. These 2-month-old northern elephant seals are sleeping ...

Elephant seals drift downwards in a "sleep spiral" when deep diving in the ocean, a new study found. Sleeping while deep diving allows the seals to avoid predators, scientists believe. The scientists ...

How would you be able to sleep if you were surrounded by predators who might eat you as soon as you nodded off? Well, a new study shows that elephant seals manage it by only sleeping two hours a day, ...

Local photographer Vincent Shay recently captured photos and videos of orcas off the coast of Pismo Beach. Orca sightings are unusual in San Luis Obispo County. The predators, also known as killer ...

During the many months they spend at sea gorging on fish and squid, the massive mammals sleep only about two hours a day. By Annie Roth It long seemed as though African elephants were the champions of ...