Ten of the best: Sleep demons you've never heard of...

This Freddy Krueger vest is probably the scariest thing in this post, TBF

You might see going to sleep as eight hours of lying on your back doing nothing. Evil demons from other realms see it as eight hours of them using your body and psyche like a playground.

Here are the top ten most likely to have you reaching for the lightswitch in the middle of the night… or never wanting to shut your eyes again.