The Nightmare

In "The Nightmare," a teenage girl named Tina is haunted by a mysterious creature that only she can see. After a wild party, Tina starts experiencing strange and frightening events, including visions of the creature and a feeling of déjà vu. Her parents and friends dismiss her concerns, thinking she's losing her mind. However, Tina's therapist advises her to confront her fears and reach out to the creature. As she does, she realizes the creature is an incarnation of her fears and insecurities. Despite the ridicule she faces, Tina forms a bond with the creature and even risks everything to save it from her parents and the authorities. In the end, Tina finds comfort and acceptance in the strange and unusual relationship she has formed with the creature, and they drive off together into the unknown.

You can stream The Nightmare on: Apple TV

Some movies that have similar genres and were produced around the same time as The Nightmare include The Skin I Live In, It Comes at Night, Suspiria, Books of Blood, Synchronic, Apostle.