While You Were Sleeping Facts, FAQ & Common Questions
2017 · SBS · Status: Ended · Rated: TV-14
Frequently Asked Questions About While You Were Sleeping
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does While You Were Sleeping have?
While You Were Sleeping has 1 season and 32 total episodes, spanning from its premiere on September 27, 2017 to November 16, 2017.
Is While You Were Sleeping renewed, ended, or canceled?
While You Were Sleeping has concluded its run and is officially ended.
How long does it take to binge watch While You Were Sleeping?
It takes 15h 42m (942 minutes) to watch the complete run of While You Were Sleeping. At a standard pace of 2 hours per day, you will finish the entire series in approximately 8 days. Possible with dedication! Finishing this 15.7-hour series over Saturday and Sunday requires around 7.9 hours of viewing each day.
What is the highest-rated episode of While You Were Sleeping?
The highest-rated episode is Season 1, Episode 1 ("While You Were Sleeping (1)"), which holds an outstanding rating of 7/10 based on 1 audience ratings.
Where can you stream or watch While You Were Sleeping?
While You Were Sleeping is available for streaming on Rakuten Viki, Kocowa. Availability may vary by regional territory, subscription tier, and digital purchase availability.
What is the official age rating for While You Were Sleeping?
While You Were Sleeping has an official content rating of TV-14.
Who are the lead actors in While You Were Sleeping?
The primary ensemble cast includes Suzy as Nam Hong-joo (age 31), Lee Jong-suk as Jeong Jae-chan (age 37), Jung Hae-in as Han Woo-tak (age 38), Lee Sang-yeob as Lee Yoo-beom (age 43).
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| Suzy | Nam Hong-joo | 31 |
| Lee Jong-suk | Jeong Jae-chan | 37 |
| Jung Hae-in | Han Woo-tak | 38 |
| Lee Sang-yeob | Lee Yoo-beom | 43 |
| Hwang Young-hee | Yoon Moon-seon | 57 |
| Shin Jae-ha | Jeong Seung-won | 33 |
| Kim Won-hae | Choi Dam-dong | 57 |
| Park Jin-joo | Moon Hyang-mi | 37 |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for While You Were Sleeping are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 25, 2026.