WASHINGTON — Sleep is a precious commodity for people and across the animal kingdom, indispensable even as its biological purpose remains somewhat mysterious. We spend about a third of our lives asleep. But some animals get a lot less slumber — with certain species like the northern elephant seal taking sleeplessness to an extreme. Researchers in a new study described the unusual sleep habits of this species, finding that during Pacific Ocean foraging journeys that can last seven months these bulky marine mammals sleep just two hours a day — cobbled together from naps of about 10 minutes each as they dive deep to avoid predators.

https://newsinfo.inquirer.net/1759889/need-more-sleep-tell-that-to-an-elephant-seal

#inquirer