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Sleep

Original title: Jam
  • 2023
  • Tous publics avec avertissement
  • 1h 35m
IMDb RATING
6.6/10
6.3K
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
    • Kim Geum-soon
  • See production info at IMDbPro
  • IMDb RATING
    6.6/10
    6.3K
    YOUR RATING
    • Director
      • Jason Yu
    • Writer
      • Jason Yu
    • Stars
      • Jung Yu-mi
      • Lee Sun-kyun
      • Kim Geum-soon
    • 33User reviews
    • 86Critic 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
    Kim Geum-soon
    • Shaman
    Kim Gook Hee
    • Min Jeong
    Lee Kyung-jin
    • Soo-jin's Mother
    Yoon Kyung-ho
    Yoon Kyung-ho
    • Doctor
    Edson Camacho
    • Dr. Kim
    • (English version)
    • (voice)
    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
    Abi Kumar
    • Hyun-su
    • (English version)
    • (voice)
    Lucia Lobosvilla
    • Additional
    • (English version)
    • (voice)
    Lukas Timmerman
    • Choi Jin-hyuk
    • (English version)
    • (voice)
    Oh Yeon-su
    Oh Yeon-su
    • Drama Actress
    • Director
      • Jason Yu
    • Writer
      • Jason Yu
    • All cast & crew
    • Production, box office & more at IMDbPro

    User reviews33

    6.66.2K
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    Featured reviews

    7ryanpersaud-59415

    Tiff '23: Great Premise, But Needed Better Execution to Really Fulfill Its Potential

    Sleep has probably one of the best premises for a horror film that I've ever seen. The idea of the person sharing your bed doing strange and sometimes terrifying things in their sleep is almost a *primal* fear, something inherent to every and anyone who shares a bed with their partner: "What are they doing in their sleep? Am I safe with this person next to me?"

    It's such a brilliant concept, that the movie almost writes itself. And that's the thing...this movie needs better writing. There's something missing from the narrative, undoubtedly there to keep the mystery and ambiguity the entire way through, but it feels like the script needed a bit more complexity. I wished the characters and their relationship was fleshed out, that we learned more about them and their dynamics, to help really generate discussion as to what's going on. I wish an unseen and unheard character didn't have such an impact on the narrative; someone who is only mentioned a couple of times and very briefly. The film also jumps forward in time at several points for no apparent reason...it raises more questions than answers and I get the sense that no one knew how to address some of these plot holes.

    It's a shame, because there's so much about this movie that works. It's very scary at times, generating enormous tension that you can cut through with a knife. And there's a wonderful bait-n-switch where your perspective on what's going on is tested and it's a juicy prospect. The film also has a wicked sense of humour and that always helps with otherwise very dark subject matter.

    The performances are also quite excellent; Jung Yu Min in particular carries a lot of this movie on her shoulders and she's absolutely EXCELLENT. I just felt like all the other characters weren't fleshed out enough for me to really connect with them. Korean horror is renowned for its character work, slow pace, and shocking twists. I wish this movie took its time more and did a bit more world building. At a scant 95 minutes, it certainly could've used another 15-20 minutes to do that, and it wouldn't have made the movie worse.

    However, I can't pretend like this isn't a good time. The film is creepy, effective, and again, just has that killer premise that's inherently good. Is it perfect? No. Could it have been even better? I suspect so. But given this is Jason Yu's first film, it's not a bad debut at all.
    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.
    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.
    8raymondmuller

    Sleep - Keept m.e up at Night

    Terrific premise for a movie that really delivers - sure the cliched horror movie scares run through much of the film but everything is performed in such an imaginative and inventive way that you are fascinated - engaged - and thoroughly frightened - Sleep has a great premise - two loving individuals have their world turned upside down by the husbands sleep walking - sleep walking that turns into a horror show as the film moves forward - is he having a psychotic break ? Is it really a sleep disorder ? Or is there something more sinister in the works? Who is the really crazy person here? Noone is safe as the movie progresseses..and while an overall simple movie it is powerful in its delivery - with characters that are very well developed - and two dogs that are essential to the overall plot - and a power drill - enough said - Lots of fun! Delivers the goods !!
    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.

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    Sleep

    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
      1 hour 35 minutes
    • Color
      • Color
    • Sound mix
      • Dolby Digital

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