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 ...

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 ...

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 ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Northern elephant ...

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 ...

We couldn't agree more with @Lutko who pointed out, "He/she needs a little baby blanket and a pillow!" @Fue-Loco added, ...

All those hours spent searching for grasses, roots and fruits means there's little time left over for sleep. How little? Try two hours a day for African elephants in the wild, a new study found.

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 ...

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, ...

Northern elephant seals might be masters of multitasking in the animal kingdom because they’ve learned how to sleep and dive at the same time — all while avoiding predators. The elephant seals ...