Sleep
“Something awakens.”
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.
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Cast
16 people
Jung Yu-mi
Soo-jin
Known for
Train to Busan
Silenced
Lee Sun-kyun
Hyun-su
Known for
Parasite
Coffee Prince
Kim Guk-hee
Min-jung
Known for
Sweet Home
Glitch
Lee Kyung-jin
Soo-jin's Mother
Known for
Ayla: The Daughter of War
Tale of Cinema
Yoon Kyung-ho
Doctor
Known for
Guardian: The Lonely and Great God
All of Us Are Dead
Kim Keum-soon
Shaman
Known for
Black Knight
Love Next Door
Choi Ah-rin
Ha-yoon
No other roles listed
Kim Jun
Jin-hyeok
Also in
The Uncanny Counter
Golden Slumber
Lee Dong-chan
Park Chun-gi
Known for
The Great Flood
Daily Dose of Sunshine
Park Hye-sook
Drama Actress
Known for
Secretly, Greatly
The Beast
Oh Yoon-soo
Drama Actress
Known for
The Dude in Me
Park Hyun-jeong
Nurse
Also in
Hospital Playlist
Jason Yu Director · Jang Hyeok-jin Composer Jang Yong-jin Composer
Worldwide gross $11M · United States release September 27, 2024 · Produced in South Korea
Box office
Worldwide gross
$11,033,636
Production
Lewis Pictures
Production
Lotte Entertainment
Production
BY4M Studio
Production
South Korea
Produced in
Languages
Original title
잠
Original language
Korean
Spoken on screen
Korean
Release dates
France · May 21, 2023
Premiere · Cannes Critics' Week
South Korea · September 6, 2023
Theatrical
United States · September 27, 2024
Digital
United States
September 21, 2023 · Premiere · Fantastic Fest
April 13, 2024 · Premiere · Milwaukee Film Festival
April 19, 2024 · Premiere · Minneapolis St. Paul International Film Festival
Australia
August 3, 2023 · Premiere · Melbourne International Film Festival
Austria
September 24, 2024 · Premiere · SLASH Film Festival
Belgium
April 16, 2024 · Premiere · Brussels International Fantastic Film Festival
Canada
September 7, 2023 · Premiere · Toronto International Film Festival
China
June 14, 2024 · Premiere · Shanghai International Film Festival
France
January 27, 2024 · Premiere · Gérardmer Film Festival
February 21, 2024 · Theatrical · Korean
January 1, 2026 · Digital · French · Insomnia
Germany
September 9, 2024 · Premiere · Fantasy Filmfest
March 27, 2025 · Physical
Hong Kong SAR China
August 19, 2023 · Premiere · Summer International Film Festival
Indonesia
September 13, 2023 · Theatrical
Italy
March 29, 2024 · Premiere · Florence Korea Film Fest
Lithuania
August 23, 2024 · Premiere · Mondo Bizzaro Film Festival
Malaysia
September 14, 2023 · Theatrical
New Zealand
August 11, 2024 · Premiere · New Zealand International Film Festival
Russia
October 17, 2024 · Theatrical
January 30, 2025 · Digital
Singapore
September 21, 2023 · Theatrical
South Africa
July 19, 2024 · Premiere · Durban International Film Festival
Spain
September 9, 2024 · Theatrical
Sweden
November 8, 2023 · Premiere · Stockholm International Film Festival
Switzerland
September 28, 2023 · Premiere · Zurich Film Festival
Taiwan
September 22, 2023 · Theatrical
Thailand
September 14, 2023 · Theatrical
United Arab Emirates
July 6, 2024 · Premiere · Korean Film Festival
United Kingdom
July 12, 2024 · Theatrical
August 19, 2024 · Digital
September 16, 2024 · Physical · Blu-ray & DVD
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