Chinstrap Penguins Take Over 10,000 Small Naps a Day, Research Says

Parent penguins take more than 10,000 micronaps per day, study

Chinstrap penguins fall asleep 10,000 times a DAY - but only

Chinstrap Penguins Take Over 10,000 Small Naps a Day, Research Says

The Fascinating World of Microsleeps: Insights from Chinstrap Penguins

10,000 microsleeps a day let penguins stay ever watchful

Chinstrap Penguins Have a Fascinating Microsleep Schedule

Penguins Nap 10,000 Times a Day » Explorersweb

Nesting Penguins Take More Than 10,000 Mini Naps Every Day

These penguins nap 10,000 times a day, for seconds at a time

New study shows penguins take seconds-long naps