english: It sounds like a Stephen King movie, but it's actually a medical condition called sleep paralysis, and about half of the population has experienced this strange phenomenon at least once in their life.
non_english: Zvuči kao film Stivena Kinga, ali je zapravo medicinsko stanje koje se zove paraliza sna i skoro oko polovine populacije iskusilo je ovu čudnu pojavu bar jednom u životu.