Who needs sleep, anyway? Lying wide-eyed in bed is much more enjoyable. For this list, we're looking at the top 10 scariest ending scenes from horror movies. Our countdown includes Mulholland Drive, The Lighthouse, Don't Look Now, Hereditary and more! Which horror movie do YOU think had the scariest ending? Let us know in the comments!Watch more great horror related videos here: Top 10 Best Horror Movie Villain Costumes Ever: