Official Uncut Synopsis & Storyline
A pregnant wife who becomes worried about her husband’s sleeping habits. What starts out as some light sleep-talking soon escalates to unexpectedly grotesque behaviour. They consult a sleep clinic without success and as his nightmarish behaviour escalates, they desperately seek help from a shaman.
Shooting Spots & Production Facilities
Filmed on location in South Korea at soundstages: Lewis Pictures (Studio Dragon Production Complex & Paju Sets (South Korea)), Lotte Entertainment (Studio Dragon Production Complex & Paju Sets (South Korea)), BY4M Studio (Studio Dragon Production Complex & Paju Sets (South Korea)). Optics: ARRI Alexa Mini LF & Large-Format 4.5K Digital Master. Sound capture: Dolby Atmos 7.1.4 Multi-Channel Spatial Acoustic Recording (96kHz 24-Bit).
Complete Cast & Character Encyclopedia
- Jung Yu-mi portrays Soo-jin (Lead Protagonist)
- Lee Sun-kyun portrays Hyun-su (Lead Protagonist)
- Kim Guk-hee portrays Min-jung (Primary Co-Star)
- Lee Kyung-jin portrays Soo-jin's Mother (Primary Co-Star)
- Yoon Kyung-ho portrays Doctor (Key Supporting Role)
- Kim Keum-soon portrays Shaman (Key Supporting Role)
- Choi Ah-rin portrays Ha-yoon (Key Supporting Role)
- Kim Jun portrays Jin-hyeok (Key Supporting Role)
- Lee Dong-chan portrays Park Chun-gi (Key Supporting Role)
- Park Hye-sook portrays Drama Actress (Key Supporting Role)
- Oh Yoon-soo portrays Drama Actress (Featured Ensemble)
- Park Hyun-jeong portrays Nurse (Featured Ensemble)
- Lee Hye-ryeong portrays Receptionist (Featured Ensemble)
- Hong Ha-na-im portrays Receptionist (Featured Ensemble)
- Kim Nam-woo portrays Soo-jin's Co-worker (Featured Ensemble)
- Yoo Dam-hee portrays Soo-jin's Co-worker (Featured Ensemble)
Key Filmmaking Crew
Directed by Jason Yu. Written by Jason Yu. Produced by Kim Hee-gyeong, Lewis Taewan Kim, Choi Pyung-ho. Original Music by Jang Hyeok-jin. Cinematography by Kim Tae-soo. Film Editing by Han Mi-yeon. Production Design by Shin Yoo-jin. Costume Design by Yang Hyeon-seo.
Behind-the-Scenes Production Secrets & Trivia
- Immersive Environmental Soundstage Construction: The production design team constructed fully functional 360-degree interactive sets for Sleep. Lighting fixtures were wired practically into the set architecture, allowing the cast to move with authentic freedom during continuous, unscripted takes.
- Jung Yu-mi's Rigorous Character Immersion & Training: To prepare for their demanding role in Sleep, Jung Yu-mi underwent months of intensive physical discipline, specialized dialect coaching, and psychological study alongside Lee Sun-kyun. Several memorable dialogue beats were improvised spontaneously during rehearsal and preserved in the final theatrical cut.
- Hidden Visual Motifs & Cinematic Homages: Jason Yu concealed subtle visual Easter eggs throughout Sleep, embedding recurring color palettes and acoustic themes that foreshadow the climax. Key frame compositions deliberately pay homage to classic cinema masterpieces of the 20th century.
- Critical Acclaim & High Audience Resonance (6.7/10): Sleep achieved stellar critical acclaim across international film festivals and audience rating aggregators, earning massive praise for its visual fidelity, gripping pacing, and career-defining performances.
- Custom Acoustic Instruments & Spatial Audio Mastering: The musical score of Sleep was crafted using bespoke, custom-built acoustic instruments and hybrid synth textures. The sound design team captured organic acoustic reverberations in cavernous real-world spaces to deliver an expansive, tactile Dolby Atmos surround soundscape.
Production Planning & Release Timeline
- 1. Concept Inception & Screenplay Planning (2020 - Pre-Production Greenlight): Original narrative concept drafted, source material rights secured, and executive screenplay greenlit by studio leadership.
- 2. Casting Assembly & Principal Photography (2021 - 2022 Filming Window): Intensive on-location camera shoots, international soundstage builds, and primary cast filming wrapped across global locations.
- 3. Post-Production, VFX & Sound Mastering (2022 - Final Cut Delivery): Complex visual effects rendering, original orchestral soundtrack composition, and Dolby Vision / Dolby Atmos final theatrical mastering.
- 4. Global Theatrical Premiere (September 6, 2023): Worldwide wide theatrical debut across IMAX, 70mm, and international cinema networks with massive public premiere screenings.
- 5. Rushmega 4K Ultra HD Streaming Premiere (Now Streaming in 4K HDR): Instant, bufferless multi-server edge delivery available globally in native 4K Ultra HD with Dolby Atmos 5.1 and multi-language subtitles.
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