‘Parasomnia’ Trailer Brings Demonic Night Terrors to Shudder this SeptemberYou’ll want to grab some coffee and keep your eyes open for this one, as Shudder has released a trailer for supernatural horror film Parasomnia. The film follows Riley, a young woman tormented by night terrors and a past of unresolved tragedy. In the trailer, we see a birthday party gone very wrong, followed by all sorts of nightmarish imagery. In his review out of Brooklyn Horror Fest 2025, Dread’s Chad Collins called Parasomnia “a terrifying debut feature”. Don’t fall asleep when Parasomnia arrives on Shudder September 4th.