These nesting penguins nod off 10,000 times a day, for seconds at a time

Antarctica's chinstrap penguins get four seconds of shut-eye

The penguin that sleeps 11 hours a day, for just 4 seconds a time

10,000 microsleeps a day let penguins stay ever watchful

Antarctica's chinstrap penguins get four seconds of shut-eye

Penguins snatch 11 hours of sleep through seconds-long micronaps

Penguins Nap 10,000 Times a Day » Explorersweb

I take thousands of micro-naps during the day.” : r/30ROCK

Sleeping for Seconds, Thousands of Times a Day

TIME for Kids Power Nappers

Parent penguins take more than 10,000 tiny naps per day: new study

Nesting chinstrap penguins accrue large quantities of sleep

How Penguins Get 11 Hours Of Sleep Through 10,000 Naps In A Day

Chinstrap Penguins Take 10,000 Naps, 4 Seconds Each - Videos