Penguin parents sleep for just a few seconds at a time to guard newborns, study shows – The Associated Press

1. Penguin dad and mom sleep for only a few seconds at a time to protect newborns, examine reveals  The Related Press
2. 10,000 naps a day: how chinstrap penguins survive on microsleeps  The Guardian
3. Penguins Take 1000’s of Naps Each Day  The New York Occasions
4. Excessive sleep conduct documented in cute Antarctic chinstrap penguins  Reuters
5. Why chinstrap penguins sleep 1000’s of occasions a day  The Economist
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