While You Were Sleeping: When did it first air? How many seasons and episodes are there? What's the episode duration of "While You Were Sleeping", and where can you watch it? Find out all this and more!
While You Were Sleeping, also known as 당신이 잠든 사이에, is Korean television series that premiered on 2017-09-27. At the time of writing, it consists of 1 season, with 32 episodes.