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Published 3 months ago

Chinstrap penguins nod off more than 10,000 times per day in seconds-long 'microsleeps,' study finds

  • Chinstrap penguins in an Antarctic breeding colony take 10,000 4-second naps each day to stay alert and protect their eggs and chicks.
  • The penguins accumulate around 11 hours of sleep by sleeping for only 4 seconds around 10,000 times a day, suggesting that microsleeps have restorative functions.
  • This discovery challenges the idea that longer, uninterrupted sleep is necessary for all species and highlights the variability of sleep in the animal kingdom.
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