TMDB While You Were Sleeping
Created by Park Hye-ryun · 2017 ·
While You Were Sleeping (2017) earns a 82% Celluloid Score — Recommended. Recommended overall. Created by Park Hye-ryun; stream on Viki, Kocowa.
Calculated from four inputs (Celluloid editorial, Metascore, IMDb and TMDB fan rating). Audience sentiment is shown separately. See how we calculate scores.
Four-input score + separate audience snapshot
Where to watch While You Were Sleeping
While You Were Sleeping is available on Viki, Kocowa — regional notes: Viki, Kocowa in the United States; Kocowa in the United Kingdom; Netflix in Indonesia. Catalog platform tag: Viki.
Where to watch While You Were Sleeping by country
| Country | Streaming on |
|---|---|
| Indonesia | Netflix |
| Japan | U-NEXT |
| Malaysia | Netflix |
| Nigeria | Netflix |
| Philippines | Netflix |
| South Africa | Netflix |
| Thailand | Netflix |
| United Kingdom | Kocowa |
| United States | Viki, Kocowa |
Subscription availability, refreshed from TMDB. Rental and purchase options may differ.
Streaming availability, artwork and title metadata courtesy of TMDB. This product uses the TMDB API but is not endorsed or certified by TMDB.
Is While You Were Sleeping worth watching?
Yes — While You Were Sleeping earns a 82% Celluloid Score. Recommended, created by Park Hye-ryun and streaming on Viki, Kocowa.
Celluloid Verdict
Park Hye-ryun's precognition premise could easily have collapsed into gimmick, but the show keeps its stakes human — Lee Jong-suk and Bae Suzy make the moral weight of foreknowledge land, and the courtroom cases give the fantasy real teeth.
Celluloid editorial verdict
What is While You Were Sleeping about?
Nam Hong-joo wakes from dreams that show her disasters before they happen, and quickly learns that knowing the future is a burden rather than a gift. When a rookie prosecutor moves in across the street and starts dreaming the same warnings, and a young patrol officer joins the pattern, the three begin racing to rewrite outcomes they were only meant to witness — with a predatory lawyer always one step ahead of them.
Watch the Trailer
Critic Reviews
While You Were Sleeping Review (2017): Is It Worth Watching?
★★★★☆
Park Hye-ryun's While You Were Sleeping (2017) runs 1 season, 32 episodes on Viki — a fantasy series from South Korea carrying a 82% Celluloid Score.
Strongly recommended — worth the time commitment.
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Most searched questions about While You Were Sleeping
High-intent answers for seasons, streaming, cast, and whether While You Were Sleeping is worth watching — built for search and AI overviews.
Yes — While You Were Sleeping earns a 82% Celluloid Score (Recommended), from editorial 84%, Metascore 72/100, IMDb 8.3/10, TMDB fan 87%. Audience snapshot is separate (90%). Park Hye-ryun's precognition premise could easily have collapsed into gimmick, but the show keeps its stakes human — Lee Jong-suk and Bae Suzy make the moral weight of foreknowledge land, and the courtroom cases give the fantasy real teeth.
While You Were Sleeping scores 82% from four inputs: Celluloid editorial 84/100, Metacritic 72/100, IMDb 8.3/10 and TMDB fan rating 87%. The separate audience snapshot is 90%. Park Hye-ryun's precognition premise could easily have collapsed into gimmick, but the show keeps its stakes human — Lee Jong-suk and Bae Suzy make the moral weight of foreknowledge land, and the courtroom cases give the fantasy real teeth. See the full breakdown on the While You Were Sleeping series page.
No — While You Were Sleeping is not on Netflix. It streams on Viki, Kocowa, and on Celluloid it is catalogued under Viki. Streaming rights rotate by country, so confirm in your region before subscribing.
Yes — While You Were Sleeping is available on Viki in many regions (catalogued under Viki on Celluloid). Rights differ by country; confirm in the Viki app or the where-to-watch notes.
While You Were Sleeping first aired in 2017 (2017). Created by Park Hye-ryun; it streams on Viki, Kocowa today.
While You Were Sleeping has 1 season across 32 episodes (2017). Status: ended / complete.
At roughly 40–50 minutes per episode, While You Were Sleeping’s 32 episodes take roughly 24 hours of runtime (plus credits). Binge pace depends on season breaks.
While You Were Sleeping streams on Viki, Kocowa in supported regions. On Celluloid it is catalogued under Viki. Rights rotate — confirm in your country on the platform app.
While You Were Sleeping stars Lee Jong-suk, Bae Suzy, Lee Sang-yeob, Jung Hae-in, Ko Sung-hee. Created by Park Hye-ryun.
While You Were Sleeping has 32 episodes across 1 season (2017).
Nam Hong-joo wakes from dreams that show her disasters before they happen, and quickly learns that knowing the future is a burden rather than a gift. When a rookie prosecutor moves in across the street and starts dreaming the same warnings, and a young patrol officer joins the pattern, the three begin racing to rewrite outcomes they were only meant to witness — with a predatory lawyer always one step ahead of them.
While You Were Sleeping was created by Park Hye-ryun. It is a fantasy, romance, legal drama series from South Korea, primarily in Korean.