Life
Chinstrap penguins take thousands of very short naps every day
While incubating their eggs, chinstrap penguins need to stay vigilant for predators – so they only sleep for a few seconds at a time
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While incubating their eggs, chinstrap penguins need to stay vigilant for predators – so they only sleep for a few seconds at a time
Sleep-tracker data from 35 countries shows that people in Western countries tend to have longer lie-ins at the weekend than people in Asia, and they go to bed earlier