Parasomnia
“Don't fall asleep.”
After her friend vanishes, Riley must confront the demon from her night terrors that may have crossed into reality, while facing her own tragic past.
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Cast
16 people
Jasmine Mathews
Riley
Known for
The Tomorrow War
The Man from Toronto
RJ Brown
Cam
Known for
13 Reasons Why
The Front Runner
Sally Stewart
Mama
Known for
The Dutchman
Stephen Barrington
David
Known for
The Crowded Room
Evil Nanny
Danny Brown
Known for
Lessons in Chemistry
Simon Longnight
The Seer
Also in
Adulting
David Girard
Father
Known for
The Artifice Girl
River Blossom
Young Riley
Also in
Poppa's House
Abbott Elementary
Philip Willcox
Group Leader
Also in
The Seminarian
A Patient Man
Eurice McNeal
Young Riley
Also in
Ang Motel
the late star, the early moon
Gayla Johnson
Riley's Mom
Known for
Don't Trust the B---- in Apartment 23
Dennis Mailu
Riley's Dad
Also in
Prey
Person of Interest
James Ross II Director · Uriel Vanchestein Composer Alexander Stix-Brunell Composer
United States release September 4, 2026 · Produced in United States · Production Talking Pictures, Beach House
Production
Lurid Films
Production
Talking Pictures
Production
Beach House
Production
United States
Produced in
Languages
Original language
English
Spoken on screen
English
Release dates
United Kingdom · August 22, 2025
Premiere · FrightFest London
United States · September 4, 2026
Digital · AMC+ / Shudder
United States
October 21, 2025 · Premiere · Brooklyn Horror Film Festival
April 10, 2026 · Premiere · Overlook Film Festival
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