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Butterfly Sleep poster

Butterfly Sleep

2018 1h 51m KO
😐
6.1
MID
★6.1TMDB · 7
DramaRomance
Synopsis
Spoiler shield

Ryoko Matsumura is a popular writer in her 50's. She also knows that she has Alzheimer’s. Ryoko Matsumura begins to teach at a university. She meets a young Korean man in his 20's. They become attracted to each other.

“Some stories are better left unspoiled.”

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Cast

Credits

Behind the camera

Director
Jeong Jae-eun
Writers
Jeong Jae-eun
Languages
Japanese, Korean
Countries
Japan, South Korea

Want more? Switch to Cinephile mode in the header for DP, composer, budget, box office, production companies, keywords, and release history.

Did you know?

Fun facts 🍿

1 / 8
ERA

Did you know

Released 8 years ago.

MoodPlayr · trivia#01
2 / 8
WORLD

Did you know

Dialogue crosses 2 languages: Japanese, Korean.

MoodPlayr · trivia#02
3 / 8
WORLD

Did you know

International production across 2 countries: Japan, South Korea.

MoodPlayr · trivia#03
4 / 8
ERA

Did you know

Lean credit list — fewer than 30 people officially credited.

MoodPlayr · trivia#04
5 / 8
DIRECTOR

Did you know

Directed by Jeong Jae-eun, shot by Hiroshi Iwanaga. Note their partnership — DPs and directors often return to each other across a career.

MoodPlayr · trivia#05
6 / 8
DIRECTOR

Did you know

Editor Lee Young-lim shaped the rhythm. On an edit-heavy film, the editor does more to control your pulse than the director.

MoodPlayr · trivia#06
7 / 8
CAST

Did you know

Miho Nakayama and Kim Jae-uck and Anna Ishibashi carry the top of the cast.

MoodPlayr · trivia#07
8 / 8
WILD

Did you know

IMDB entry: tt5891642 — still the authoritative cross-reference for credits and trivia.

MoodPlayr · trivia#08

Cinephile deep dive

The take

Jeong Jae-eun directs. Hiroshi Iwanaga behind the camera. Lee Young-lim cuts. Produced in Japan, South Korea. Dialogue in Japanese, Korean.

Trivia

Things worth knowing

  • 1Released 8 years ago.
  • 2Dialogue crosses 2 languages: Japanese, Korean.
  • 3International production across 2 countries: Japan, South Korea.
  • 4Lean credit list — fewer than 30 people officially credited.
  • 5Directed by Jeong Jae-eun, shot by Hiroshi Iwanaga. Note their partnership — DPs and directors often return to each other across a career.
  • 6Editor Lee Young-lim shaped the rhythm. On an edit-heavy film, the editor does more to control your pulse than the director.
  • 7Miho Nakayama and Kim Jae-uck and Anna Ishibashi carry the top of the cast.
  • 8IMDB entry: tt5891642 — still the authoritative cross-reference for credits and trivia.
  • 9Only 7 TMDB ratings — you're getting ahead of the curve on this one.

The technical file

Cinematography
Hiroshi Iwanaga
Editing
Lee Young-lim
Runtime
111 min · 1h 51m
Status
Released
Original language
KO
Certification (US)
G

Also by

Jeong Jae-eun

Trailers & featurettes

Watch the pieces

Production companies

Who made it

  • ZO

    Zoa Films

    KR

  • SIGLO

    SIGLO

    JP

Key crew

  • EditorLee Young-lim
  • ProducerToshiaki Sakamoto
  • ProducerTetsujirô Yamagami
  • SoundMasatoshi Saito
  • First Assistant DirectorShinsuke Fujimoto
  • Assistant DirectorYoshimasa Fujie
  • GafferKoji Tanimoto
  • ProducerLee Eun-kyoung

Themes & keywords

What it's about, really

  • alzheimer's disease
  • novelist

Release history · US

When it landed

  • Theatrical2018-05-12G
  • Theatrical2025-05-23G· Re-release

Also known as

International titles

  • Chou no NemuriJP
  • 나비잠KR
  • Chō no nemuriJP

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