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Maybe you didn't get enough sleep last night, but chances are you're still doing better than the typical northern elephant seal. Scientists have discovered the massive creatures — so named ...

The surprisingly short shut-eye may be a way for the elephant seal to avoid predators—an intriguing find from the first-ever sleep study on marine mammals in the wild. A baby northern elephant ...

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 ...

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 ...

The animals average just two hours of shut-eye per day while swimming offshore for months — rivaling African elephants for the least sleep measured among mammals (SN: 3/1/17). “It’s ...

Aerial footage from Bonai Forest Division in Sundargarh district, Odisha, shows how an elephant herd stands guard while the calves sleep. Sharing the video on X, formerly Twitter, Indian Forest ...

Elephant seals drift off to sleep while diving far below the ocean surface Date: April 20, 2023 Source: University of California - Santa Cruz Summary: For the first time, scientists have recorded ...

For the first time, scientists have recorded brain activity in a free-ranging, wild marine mammal, revealing the sleep habits of elephant seals during the months they spend at sea. The new findings, ...