While You Were Sleeping
Can tragedies be avoided if they can be foreseen? In life, we witness small and big events. What would happen if someone can foresee every single event? A woman, played by Suzy, can see accidents that take place in the future through her dreams. A prosecutor, played by Lee Jong Suk, struggles and does everything he can to stop those dreams from becoming real. Will they be able to save our world from tragedies?
Where to watch
Region: USSubscription
Netflix
About While You Were Sleeping
- Title
- While You Were Sleeping
- Original language
- Korean
- Country of origin
- South Korea
- Release year
- 2017
- Status
- Ended
- Average runtime
- 35 min
- Format
- Drama series
While You Were Sleeping is a Korean drama series from South Korea, released in 2017. Most international viewers experience While You Were Sleeping through translated subtitles — the quality of those subtitles directly shapes how much of the original story, humor, and character voice survives the language gap.
Watching While You Were Sleeping with English subtitles paired to the original Korean audio is the preferred choice for language learners and fans who want to preserve the performance. Dubbed audio compresses timing and swaps voice actors; subtitled Korean keeps the original delivery intact.
OmniSubs generates context-aware English subtitles for While You Were Sleeping using multimodal AI that reads tone, character relationships, and cultural references — things literal translation misses. The subtitle file you download works with any player (VLC, Plex, Infuse, your streaming service’s player, even Kodi). You can preview and edit before downloading.
Cast
Lee Jong SukJung Jae ChanPhoto: TVmaze 
SuzyNam Hong JooPhoto: TVmaze 
Lee Sang YubLee Yoo BumPhoto: TVmaze 
Jung Hae InHan Woo TakPhoto: TVmaze
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While You Were Sleeping — English subtitles
Context-aware AI that actually understands While You Were Sleeping — characters, tone, idioms, and cultural references. Not a word-for-word translation. Typical accuracy beats any free tool. Subtitle files work in any player.
- Upload your While You Were Sleeping videoMP4, MKV, MOV, or drop a subtitle file you already have. Multi-hour files processed locally in your browser — nothing of the original video ever leaves your device.
- Pick English as your target language29 other languages are a click away — all localized for register, tone, and cultural idioms. Choose formal or casual to match the voice on screen.
- Download your subtitlesVTT, SRT, or SMI — drop them alongside your video in VLC, Plex, Infuse, or any player. Or preview right in your browser.