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Sleep

Original title: Jam
  • 2023
  • Tous publics avec avertissement
  • 1h 35m
IMDb RATING
6.6/10
6.7K
YOUR RATING
Lee Sun-kyun and Jung Yu-mi in Sleep (2023)
A young, expectant wife must figure out how to stop her husband's nightmarish sleepwalking habits before he harms himself or his family.
Play trailer1:40
3 Videos
34 Photos
Dark ComedyHorrorMysteryThriller

A young, expectant wife must figure out how to stop her husband's nightmarish sleepwalking habits before he harms himself or his family.A young, expectant wife must figure out how to stop her husband's nightmarish sleepwalking habits before he harms himself or his family.A young, expectant wife must figure out how to stop her husband's nightmarish sleepwalking habits before he harms himself or his family.

  • Director
    • Jason Yu
  • Writer
    • Jason Yu
  • Stars
    • Jung Yu-mi
    • Lee Sun-kyun
    • Kumsoon Kim
  • See production info at IMDbPro
  • IMDb RATING
    6.6/10
    6.7K
    YOUR RATING
    • Director
      • Jason Yu
    • Writer
      • Jason Yu
    • Stars
      • Jung Yu-mi
      • Lee Sun-kyun
      • Kumsoon Kim
    • 36User reviews
    • 88Critic reviews
    • 80Metascore
  • See production info at IMDbPro
    • Awards
      • 3 wins & 14 nominations total

    Videos3

    Official Trailer
    Trailer 1:40
    Official Trailer
    Sleep - Trailer
    Trailer 0:40
    Sleep - Trailer
    Sleep - Trailer
    Trailer 0:40
    Sleep - Trailer
    Sleep
    Trailer 1:39
    Sleep

    Photos34

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    Top cast16

    Edit
    Jung Yu-mi
    Jung Yu-mi
    • Soo-jin
    Lee Sun-kyun
    Lee Sun-kyun
    • Hyun-soo
    Kumsoon Kim
    • Shaman
    • (as Kim Geum-soon)
    Kim Gook Hee
    • Min Jeong
    Lee Kyung-jin
    • Soo-jin's Mother
    Yoon Kyung-ho
    Yoon Kyung-ho
    • Doctor
    Lee Dong-chan
    Lee Dong-chan
    • Park Chun-gi
    Ha-na-im Hong
    • Receptionist
    Park Hyun-Jeong
    • Nurse
    Kim Jun
    • Jin-hyeok
    Nam-Woo Kim
    • Soo-jin's Co-worker
    Oh Yeon-su
    Oh Yeon-su
    • Drama Actress
    Edson Camacho
    • Dr. Kim
    • (English version)
    • (voice)
    Abi Kumar
    • Hyun-su
    • (English version)
    • (voice)
    Lucia Lobosvilla
    • Additional
    • (English version)
    • (voice)
    Lukas Timmerman
    • Choi Jin-hyuk
    • (English version)
    • (voice)
    • Director
      • Jason Yu
    • Writer
      • Jason Yu
    • All cast & crew
    • Production, box office & more at IMDbPro

    User reviews36

    6.66.7K
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    Featured reviews

    5daoldiges

    Thriller Kind of Short on Thrills

    Sleep come with some pretty good credentials and i was looking forward to checking it out. Unfortunately, it didn't live up to my expectations as i found it lacking in story development and unable to create the desired levels of tension one could reasonably expect from a film of this type. The performances were fine but there were quite a few gaps in the story with too little character development taking place. Also, there were too many examples of the characters playing either very passively or unwittingly to the point of losing credibility. The end of the film was not able to create anywhere near the drama I could tell everyone was going for and it felt a it forced. Sleep isn't all but still a bit disappointing.
    7filmephile

    Don't sleep on this film

    This is a solid little Korean horror film, with a simple plot that's executed well. The acting from the two leads, Jung Yu-mi and Lee Sun-kyun, is top-notch. Jung particularly is great as the wife.

    Where the film falters is in its open-endedness. There's a death early in the film that's seemingly significant for a few minutes, then the characters seemingly forget about it, then it's brought up again later in the film. And later in the film a character disappears then comes back without any real explanation. It left me wondering if perhaps the editor mistakenly edited out the scene showing what occurred between the character going missing and then popping up again. It just was bizarre. But some may consider this inexplicability to be a strength that adds to the spookiness. That leads me to the next point.

    The great thing about this film is that, just like the characters, we're unsure of what's really going on here until the end. Is the husband mentally ill? Does he have a sleep disorder? Is he a ghost? Is he possessed? Is he acting? The film does a good job sprinkling in different possibilities throughout the runtime.
    7donmurray29

    Don't go to sleep...

    Giving this an 7/10 rating

    Not much blood in this one, more of a slow build up and use of the environment, the two main characters, which are husband and wife in a new place, and then, stuff stars to happen, that really does effect them both

    A good simple premise is done good, thanks, down to great acting and very good dialogue, effective soul design, and good writing and directing for Jason Yu.

    The trio of Kim Gook Hee, Yoon Kyung-ho and Lee Sun-kyun, pull off good work, and have to make work of the limited setting of home, and the other settings. The limitations are the driving force and are used with much thought. And this film proves that ou can do a horror, with out loads of blood and make it interesting. Sleep can be dangerous, and this film shows us the effects of it.
    9TaylorYee94

    It's gonna be hard for me to fall asleep tonight.

    There is no jump scare, but how 'Sleep' manipulates my fear, uncertainty, and anxiety is something else. It's a kind of horror that I can watch without getting too scared, but I cannot go to sleep, thinking about the whole movie over and over in my head. The situation in the movie might seem extreme, but sleep disorder, noise between floors, and postpartum depression are very much realistic social problems and very much modern problems as well. They are almost tangible, and you hear about them everyday. Three things combined in the movie, the ending is not that extreme anymore, and it's scarier because it can happen to me, too.

    How the director uses lighting and composition makes the movie more intense. Before the wife is affected by husband's abnormal behavior during REM sleep, lighting is shed in front of her face. However, once she starts to lose control of her reasons and mental health, the lighting moves to the back of her head, increasing the eerie atmosphere and highlighting the sudden change.
    8alain-kapel5

    Entertaining psycho-thriller

    A fine debut thriller from Jason Yu. It was shown in Cannes and was pretty well received by critics. Now, after finally seeing it, I'll be joining those who recommend it.

    This is a playful exercise in subverting genre expectations. The premise uses horror tropes in interesting ways, without succumbing to overwrought melodrama or clichés. A lot can be said about its expert direction; Yu finely balances humor and horror, and the script mischievously makes you question whether what you're seeing is paranormal or psychological in nature. He is enormously helped by Lee Sun-kyun (a formidable actor at this point) and the always lovely Jang Yu-mi. Their couple has loads of chemistry that is utilized to great effect.

    Also, the short-ish runtime of 94 minutes ensures no minute is wasted and no plot point unnecessarily protracted. A hearty recommendation if you like your thrillers twisted and adventurous.

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    Related interests

    Phoebe Waller-Bridge and Sian Clifford in Fleabag (2016)
    Dark Comedy
    Mia Farrow in Rosemary's Baby (1968)
    Horror
    Jack Nicholson and Faye Dunaway in Chinatown (1974)
    Mystery
    Cho Yeo-jeong in Parasite (2019)
    Thriller

    Storyline

    Edit

    Did you know

    Edit
    • Trivia
      Final film role of Lee Sun-kyun before his passing in December 2023.
    • Connections
      Referenced in Film Junk Podcast: Episode 979: Companion (2025)

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    FAQ16

    • How long is Sleep?Powered by Alexa

    Details

    Edit
    • Release date
      • February 21, 2024 (France)
    • Country of origin
      • South Korea
    • Official site
      • Curzon Artificial Eye (United Kingdom)
    • Language
      • Korean
    • Also known as
      • Sleep: El mal no duerme
    • Production companies
      • Lewis Pictures
      • Nova Media
      • Solaire Partners
    • See more company credits at IMDbPro

    Box office

    Edit
    • Gross US & Canada
      • $34,221
    • Opening weekend US & Canada
      • $11,170
      • Sep 29, 2024
    • Gross worldwide
      • $11,063,144
    See detailed box office info on IMDbPro

    Tech specs

    Edit
    • Runtime
      • 1h 35m(95 min)
    • Color
      • Color
    • Sound mix
      • Dolby Digital

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