Sleeping is known to regenerate our bodies and minds and it now seems as though it can even improve our ability to learn!
You can learn a language, hone your musical ability, remember where you put something and even evaluate which memories are precious enough to commit to long-term memory.
So the next time you think a shut-eye is a waste of time, consider just what you could be learning while you do so.
Read more at iflscience.com