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4 things you can literally learn while you sleep

Erin BrodwinMar 18, 2016, 23:14 IST

Flickr/Courtney Carmody

When you go to sleep tonight, put a book under your pillow. When you wake up tomorrow morning, you'll have its contents memorized.

Ok, so that probably won't work.

But don't lose hope just yet: It turns out there actually are a few things you can learn - or at least improve your grasp of - while you snooze. Most of them depend on one thing: Sound.

Here are some of the skills you may be able to sharpen in your sleep: