Giraffes only sleep 30 minutes a day. They were thought until the 1950's to not sleep at all, and only kneel down to drink water once every few days. Of all mammals giraffes sleep the least.
WTF Fun Fact #120
Giraffes only sleep 30 minutes a day. They were thought until the 1950's to not sleep at all, and only kneel down to drink water once every few days. Of all mammals giraffes sleep the least.
