Dec 1, 2023
Weird Chinstrap penguins sleep over 10,000 times a day for just 4 seconds at a time
Chinstrap penguins are one of nature's most extreme nappers, snatching more than 10,000 microsleeps lasting up to four seconds long every day, according to a new study. The penguins, which live in breeding colonies each containing tens of thousands of individuals, must remain constantly vigilant against threats to their nests...