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?
Release Date
PremieredWhile You Were Sleeping Season 1 released on September 27, 2017.
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Sign In to Track ProgressSeasons
While You Were Sleeping (1)
Hong Joo's dreams always come true. She dreams of hugging a man whom she has never met and is shocked at her actions. On the night of Valentine's Day, she is worried about her mom and hurries home to see her.
While You Were Sleeping (2)
Jae Chan has a dream about Hong Joo. He feels that he must prevent the events of his dreams from actually happening and tries his best to make sure that the accident never happens.
The Good, The Bad, The Weird (1)
Jae Chan finds out that Hong Joo has precognitive dreams on a regular basis and visits her after dreaming of his younger brother, Seung Won, becoming a murderer.
The Good, The Bad, The Weird (2)
So Yoon tries to kill her father to protect her mother, and Seung Won tries to stop her and help her out.
Secretly, Greatly (1)
Jae Chan and Hong Joo meet before the situation becomes irreversible. Before things get ugly, Jae Chan gets to Seung Won, and Hong Joo improvises so that things turn out differently from her dream.
Secretly, Greatly (2)
Jae Chan tells Seung Won to stay out of trouble, but they only drift apart more.
A Few Good Men (1)
Woo Tak has a precognitive dream that shows Hong Joo getting injured. He brings Jae Chan along to where it actually happens, so Jae Chan is able to prevent the injury from happening.
A Few Good Men (2)
Woo Tak and Hong Joo have similar dreams, but they end in different conclusions. They call Jae Chan in order to lead to the result they hope for.
Don't Trust Her (1)
Hong Joo is torn between going back to work and helping her mother out at the restaurant.
Don't Trust Her (2)
As Jae Chan, Woo Tak and Hong Joo begin to alter the future by preventing the events from happening, Hong Joo gains hope that perhaps her fate isn't sealed.
A City of Blinds (1)
Jae Chan has a precognitive dream that shows Hong Joo announcing false insurance case in the news.
A City of Blinds (2)
To prevent the case, Jae Chan asks Hong Joo to remember the details of incident if anything happens, so that he can find her after seeing in his precognitive dream.
Secret That Can't Be Told (1)
Jae Chan arrives to the scene of the crime to find out Woo Tak has been stabbed. He goes after Dae Hee and manages to arrest him. Jae Chan works hard to make sure that Dae Hee is prosecuted for his crimes.
Secret That Can't Be Told (2)
Meanwhile, Woo Tak stays at Hong Joo's house while he recovers and asks both Hong Joo and Jae Chan for favors while he's there.
Pride and Prejudice (1)
A murder case of Yoo Su Kyung, a former professional archer, occurs and Do Hak Young is pointed as the prime suspect.
Pride and Prejudice (2)
Hak Young is a friend of Woo Tak, so Woo Tak convinces Hak Young to turn himself in. Jae Chan has to prosecute Hak Young, but there’s not enough evidence to do so.
The Usual Suspect (1)
Hak Young is released and set to be investigated without detention. Thanks to a comment left by a netizen, Hong Joo figures out the cause of the strange markings on the floor of Yoo Su Kyung's apartment.
The Usual Suspect (2)
Meanwhile, Yu Beom uses the media to appeal to the public on Yoo Su Kyung's case.
A Boy Meets a Girl (1)
Jae Chan gets shot by Yoo Su Kyung’s father, Yoo Man Ho, and gets transferred to a hospital.
A Boy Meets a Girl (2)
Hong Joo receives a note that Jae Chan sent to her before the accident and realizes that they’ve known each other for over 13 years.
To Die or to be Bad (1)
Jae Chan is released from the hospital and stays with Hong Joo for two days. Woo Tak and Hong Joo both dream about Jae Chan. In their dream, Jae Chan is in charge of a case that results in his resignation from the prosecution.
To Die or to be Bad (2)
Upon his return to work, Jae Chan must decide whether or not he will authorize the autopsy for a man who is set to donate his organs.
Knocking on Heaven's Door (1)
Jae Chan charges Moon Tae Min for murder despite everyone’s disapproval. He has to prove that Lee Hwan didn’t die from the organ transplant, but Yu Beom has a strong argument that Jae Chan can’t win over.
Knocking on Heaven's Door (2)
Meanwhile, Moon Sun wants to keep Jae Chan away from Hong Joo because she doesn’t want to see Hong Joo suffer.
We're on Our Way To Meet You Now (1)
Woo Tak and Jae Chan share their theory behind why they can see each other's future in their dreams.
We're on Our Way To Meet You Now (2)
Hong Joo goes to Criminal Division Three to follow a prosecutor for three days for an article, and Jae Chan is worried that he will embarrass himself in front of her. Meanwhile, a cellphone thief provides evidence for a past case.
Catch Me if You Can (1)
After the arson, Criminal Division Three is swamped with work.
Catch Me if You Can (2)
Woo Joo and Hee Min look into the arson case, and Ji Gwang and Jae Chan reinvestigate the IV drip serial murder case. Hong Joo also begins to look into the case. Meanwhile, Yu Beom receives a mysterious text message from the real killer.
Stand By Me (1)
Hong Joo is injected with a lethal drug and loses consciousness.
Stand By Me (2)
Fortunately, Jae Chan comes just in time to save her. The court hearing begins and Hong Joo is summoned to testify.
Goodbye, My Friend (1)
Yu Beom is on trial for manipulating the murder of Ha Ju Won. Before the trial, Dam Dong suspects that Yu Beom will try to leave the country. He tells Jae Chan, who tells Woo Joo that they must a travel ban preventing Yu Beom from leaving.
Goodbye, My Friend (2)
Meanwhile, Woo Tak decides to take a huge risk in order to help this trial be successful.
Latest Trailers and Teasers
While You Were Sleeping (당신이 잠든 사이에) Teaser #3 | Watch with subs RIGHT after Korea!
While You Were Sleeping (당신이 잠든 사이에) Teaser #4 | Watch with subs RIGHT after Korea!
While You Were Sleeping
Season 1
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?
Release Date
PremieredWhile You Were Sleeping Season 1 released on September 27, 2017.
Your Progress
Track your watching progress by signing in
Sign In to Track ProgressWhile You Were Sleeping (1)
Hong Joo's dreams always come true. She dreams of hugging a man whom she has never met and is shocked at her actions. On the night of Valentine's Day, she is worried about her mom and hurries home to see her.
While You Were Sleeping (2)
Jae Chan has a dream about Hong Joo. He feels that he must prevent the events of his dreams from actually happening and tries his best to make sure that the accident never happens.
The Good, The Bad, The Weird (1)
Jae Chan finds out that Hong Joo has precognitive dreams on a regular basis and visits her after dreaming of his younger brother, Seung Won, becoming a murderer.
The Good, The Bad, The Weird (2)
So Yoon tries to kill her father to protect her mother, and Seung Won tries to stop her and help her out.
Secretly, Greatly (1)
Jae Chan and Hong Joo meet before the situation becomes irreversible. Before things get ugly, Jae Chan gets to Seung Won, and Hong Joo improvises so that things turn out differently from her dream.
Secretly, Greatly (2)
Jae Chan tells Seung Won to stay out of trouble, but they only drift apart more.
A Few Good Men (1)
Woo Tak has a precognitive dream that shows Hong Joo getting injured. He brings Jae Chan along to where it actually happens, so Jae Chan is able to prevent the injury from happening.
A Few Good Men (2)
Woo Tak and Hong Joo have similar dreams, but they end in different conclusions. They call Jae Chan in order to lead to the result they hope for.
Don't Trust Her (1)
Hong Joo is torn between going back to work and helping her mother out at the restaurant.
Don't Trust Her (2)
As Jae Chan, Woo Tak and Hong Joo begin to alter the future by preventing the events from happening, Hong Joo gains hope that perhaps her fate isn't sealed.
A City of Blinds (1)
Jae Chan has a precognitive dream that shows Hong Joo announcing false insurance case in the news.
A City of Blinds (2)
To prevent the case, Jae Chan asks Hong Joo to remember the details of incident if anything happens, so that he can find her after seeing in his precognitive dream.
Secret That Can't Be Told (1)
Jae Chan arrives to the scene of the crime to find out Woo Tak has been stabbed. He goes after Dae Hee and manages to arrest him. Jae Chan works hard to make sure that Dae Hee is prosecuted for his crimes.
Secret That Can't Be Told (2)
Meanwhile, Woo Tak stays at Hong Joo's house while he recovers and asks both Hong Joo and Jae Chan for favors while he's there.
Pride and Prejudice (1)
A murder case of Yoo Su Kyung, a former professional archer, occurs and Do Hak Young is pointed as the prime suspect.
Pride and Prejudice (2)
Hak Young is a friend of Woo Tak, so Woo Tak convinces Hak Young to turn himself in. Jae Chan has to prosecute Hak Young, but there’s not enough evidence to do so.
The Usual Suspect (1)
Hak Young is released and set to be investigated without detention. Thanks to a comment left by a netizen, Hong Joo figures out the cause of the strange markings on the floor of Yoo Su Kyung's apartment.
The Usual Suspect (2)
Meanwhile, Yu Beom uses the media to appeal to the public on Yoo Su Kyung's case.
A Boy Meets a Girl (1)
Jae Chan gets shot by Yoo Su Kyung’s father, Yoo Man Ho, and gets transferred to a hospital.
A Boy Meets a Girl (2)
Hong Joo receives a note that Jae Chan sent to her before the accident and realizes that they’ve known each other for over 13 years.
To Die or to be Bad (1)
Jae Chan is released from the hospital and stays with Hong Joo for two days. Woo Tak and Hong Joo both dream about Jae Chan. In their dream, Jae Chan is in charge of a case that results in his resignation from the prosecution.
To Die or to be Bad (2)
Upon his return to work, Jae Chan must decide whether or not he will authorize the autopsy for a man who is set to donate his organs.
Knocking on Heaven's Door (1)
Jae Chan charges Moon Tae Min for murder despite everyone’s disapproval. He has to prove that Lee Hwan didn’t die from the organ transplant, but Yu Beom has a strong argument that Jae Chan can’t win over.
Knocking on Heaven's Door (2)
Meanwhile, Moon Sun wants to keep Jae Chan away from Hong Joo because she doesn’t want to see Hong Joo suffer.
We're on Our Way To Meet You Now (1)
Woo Tak and Jae Chan share their theory behind why they can see each other's future in their dreams.
We're on Our Way To Meet You Now (2)
Hong Joo goes to Criminal Division Three to follow a prosecutor for three days for an article, and Jae Chan is worried that he will embarrass himself in front of her. Meanwhile, a cellphone thief provides evidence for a past case.
Catch Me if You Can (1)
After the arson, Criminal Division Three is swamped with work.
Catch Me if You Can (2)
Woo Joo and Hee Min look into the arson case, and Ji Gwang and Jae Chan reinvestigate the IV drip serial murder case. Hong Joo also begins to look into the case. Meanwhile, Yu Beom receives a mysterious text message from the real killer.
Stand By Me (1)
Hong Joo is injected with a lethal drug and loses consciousness.
Stand By Me (2)
Fortunately, Jae Chan comes just in time to save her. The court hearing begins and Hong Joo is summoned to testify.
Goodbye, My Friend (1)
Yu Beom is on trial for manipulating the murder of Ha Ju Won. Before the trial, Dam Dong suspects that Yu Beom will try to leave the country. He tells Jae Chan, who tells Woo Joo that they must a travel ban preventing Yu Beom from leaving.
Goodbye, My Friend (2)
Meanwhile, Woo Tak decides to take a huge risk in order to help this trial be successful.