How Sloths Sleep
up to 15 hours a day

From the spread “Upside-Down Dreamer” in Sleep, Nap, Snooze.
Sloths can sleep as long as fifteen hours a day, curled up in a tree.
Their curved claws hook over branches, so hanging on takes almost no effort.
Wild sloths sleep less than sloths in zoos — the jungle keeps them busy.


