Sleep is important, but not all animals need the same kind of deep rest as humans. From sleeping standing up to sleeping inside snot bubbles, here are 8 especially strange ways some animals...
========== Sleep. We all need it, and we spend about a third
of our lives doing it. Scientists aren’t totally sure why we need
to sleep, though they do have a few good guesses. It’s obviously an important biological function,
because practically every single animal needs to sleep in some form or another. But since it isn’t always practical for
some species to just conk out for 8 hours, a lot of animals have evolved some clever
workarounds. [1. Sleeping Standing Up] Large animals like horses, elephants, and
rhinos can be pretty vulnerable. They live on the open plains, and they’re
so big that they’re very visible. They have to be prepared to run basically
whenever, which makes it dangerous for them to lay down to sleep. So, many of these bigger herbivores ...