You know, the best thing about nightmares is that they're not real. It's all just in your head, and as soon as you wake up, pop!It's all gone. You're safe.It's not like they could crawl out, creeping from your mind with long, slender fingers and milky yellow eyes sunken into heads with pointed horns bursting out.That'd just be insane.Daniel Tanner's life is insane. A mysterious disease came to claim his son, seemingly pulling him into the grave with...