Cautionary tales in science fiction are warning us about turning sleep into a commodity. Here's why some of those fears ...

The genre of science fiction has a lot to say about sleep. Here are 11 great stories, from TV, film and books.

Imagine waking up in pitch darkness to a slavering monster with blood dripping down its fangs. You try to cry out for help but can’t. You're paralyzed from head to toe! Sleep paralysis—paralysis upon ...

The Alien franchise has some of the most iconic creature designs in all of film. From the Facehugger to the fully-formed Xenomorphs themselves, the monsters have gone through from being practical, to ...