Something awakens.
Hyun-su and Soo-jin have just gotten married. Seemingly out of nowhere, he starts talking in his sleep. 'Someone’s inside.' From that night forward, whenever he falls asleep, he transforms into someone else with no recollection of the night before. Soo-jin is overwhelmed with anxiety that he’d hurt her family while she sleeps and can barely sleep a wink because of this irrational fear. Despite sleep treatment, Hyun-su’s sleepwalking only intensifies, and she begins to feel that her unborn child may be in danger...
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- Release Date 09/06/2023
- Language Korean
- Director Jason Yu
- Editor Han Mi-yeon
- Cinematographer Kim Tae-soo
- Producer Kim Hee-gyeong
- Companies Lewis Pictures, Lotte Entertainment, BY4M Studio
| Country | Date | Format | Certification |
|---|---|---|---|
| France | May 21, 2023 | Premiere (Cannes Critics' Week) | — |
| Australia | Aug 3, 2023 | Premiere (Melbourne International Film Festival) | — |
| South Korea | Aug 18, 2023 | Premiere (Gwangjin, Seoul) | 15 |
| HK | Aug 19, 2023 | Premiere (Summer International Film Festival) | — |
| South Korea | Sep 6, 2023 | Theatrical | 15 |
| Canada | Sep 7, 2023 | Premiere (Toronto International Film Festival) | — |
| ID | Sep 13, 2023 | Theatrical | 17+ |
| MY | Sep 14, 2023 | Theatrical | — |
| TH | Sep 14, 2023 | Theatrical | — |
| SG | Sep 21, 2023 | Theatrical | NC16 |
| United States | Sep 21, 2023 | Premiere (Fantastic Fest) | — |
| TW | Sep 22, 2023 | Theatrical | — |
| CH | Sep 28, 2023 | Premiere (Zurich Film Festival) | — |
| SE | Nov 8, 2023 | Premiere (Stockholm International Film Festival) | — |
| France | Jan 27, 2024 | Premiere (Gérardmer Film Festival) | — |
| France | Feb 21, 2024 | Theatrical | TP |
| Italy | Mar 29, 2024 | Premiere (Florence Korea Film Fest) | — |
| United States | Apr 13, 2024 | Premiere (Milwaukee Film Festival) | — |
| BE | Apr 16, 2024 | Premiere (Brussels International Fantastic Film Festival) | — |
| United States | Apr 19, 2024 | Premiere (Minneapolis St. Paul International Film Festival) | — |
| CN | Jun 14, 2024 | Premiere (Shanghai International Film Festival) | — |
| AE | Jul 6, 2024 | Premiere (Korean Film Festival) | — |
| United Kingdom | Jul 12, 2024 | Theatrical | — |
| ZA | Jul 19, 2024 | Premiere (Durban International Film Festival) | — |
| NZ | Aug 11, 2024 | Premiere (New Zealand International Film Festival) | — |
| United Kingdom | Aug 19, 2024 | Digital | 15 |
| LT | Aug 23, 2024 | Premiere (Mondo Bizzaro Film Festival) | N-16 |
| Germany | Sep 9, 2024 | Premiere (Fantasy Filmfest) | — |
| Spain | Sep 9, 2024 | Theatrical | 16 |
| United Kingdom | Sep 16, 2024 | Physical (Blu-ray & DVD) | 15 |
| AT | Sep 24, 2024 | Premiere (SLASH Film Festival) | — |
| United States | Sep 27, 2024 | Digital | — |
| Russia | Oct 17, 2024 | Theatrical (Limited) | 18+ |
Sleep Ratings
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