By the time you kick the bucket, chances are you’ll have spent 20-26 years asleep. Our human brains need a lot of time to reboot, but some animals manage to go about their days with far less rest time. Take the giraffe: until the mid ’50s, researchers believed that giraffes didn’t sleep at all. We now know this … Continue reading Giraffes Barely Sleep, and When They do, it’s on Their Butts