← All stories

Slideshow · Animals

The Most Amazing Ways Animals Sleep, Ranked

From four-second penguin naps to deep-sea seal drifts and kelp-wrapped otters.

48 min ago

8 Min Read21 Slides
  1. Two sleeping sea otters floating on their backs and holding paws in calm water
▼ Visual Countdown

From four-second penguin micro-naps and deep-sea elephant seal drifts to upside-down sloths and glowing parrotfish mucus cocoons, discover the most extraordinary ways animals sleep in the wild.

Swipe or tap ▶ to begin the countdown

©Wikimedia / Matthew Field & Wikimedia / Mattstone911

Up Next · Recommended Stories

6 stories