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Nesting Penguins Take More Than 10,000 Mini Naps Every Day
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Scientists Discover Chinstrap Penguins Nap 10,000 Times A Day
Power nap! Penguins sleep for just 4 seconds as they guard
Parent penguins take more than 10,000 micronaps per day, study
Nesting Penguins Take More Than 10,000 Mini Naps Every Day
Short Wave
Constantly on the nod, chinstrap penguins catch seconds-long
Sleeping for Seconds, Thousands of Times a Day
Penguins Take Thousands of Naps Every Day - The New York Times