The 'Hereditary' heart rate challenge proves no one is ready for this horror movie Ifeadi C. 00:17 Mashable, Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsSomewhere in Las Vegas, there's a warehouse containing debris from UFOsPrank your friends and loved ones with these hilarious fake gift boxesMusk versus Bezos: Whose rocket is the biggest?Please do not eat ghost peppers before a choir performanceDark vs. Light: 'Star Wars' fans storm social media with dueling 'Last Jedi' opinionsFirefox users lose trust in Mozilla after a 'Mr. Robot' promo went horribly wrong