Think you're tired? This animal goes for months with only two hours of sleep a day
Scientists have learned that northern elephant seals — massive creatures found along the Pacific Coast of North America — cobble together a couple hours of sleep using underwater power naps.
by Ari Daniel
Apr 20, 2023
4 minutes
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 because the males sport a distinctive trunk-like nose — are often getting less shut-eye than most others in the animal kingdom.
Everything about the animals is "pretty much extreme," says Chris McKnight, an ecophysiologist at the Sea Mammal Research Unit in Scotland.
Adult females weigh upwards of 1,300 pounds, while adult males tip the scales at more than two tons.
And it's not just their size that sets
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