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Season guide

While You Were Sleeping: Season 1

32 episodes Premiered Sep 27, 2017 Updated Aug 1, 2026

While You Were Sleeping is a 2017 South Korean television series. The series is a sci-fi and drama that revolves around Nam Hong Ju, a woman with the ability to foresee events. She resides with her widowed mother who runs a small restaurant. Hong Ju's life becomes intertwined with Jung Jae Chan, a rookie prosecutor, and his younger brother Seung Won, who become their new neighbors. An unusual dream involving Hong Ju,

Season overview

While You Were Sleeping is a 2017 South Korean television series. The series is a sci-fi and drama that revolves around Nam Hong Ju, a woman with the ability to foresee events. She resides with her widowed mother who runs a small restaurant. Hong Ju's life becomes intertwined with Jung Jae Chan, a rookie prosecutor, and his younger brother Seung Won, who become their new neighbors. An unusual dream involving Hong Ju, attorney Lee Yu Beom, and a life-saving intervention leads Jae Chan to realize their destinies are connected. The series explores the mysterious connections between the characters as they share dreams and their lives become intertwined.

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Episodes

S1·E1

While You Were Sleeping (1)

Sep 27, 2017 · 32 min

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

S1·E2

While You Were Sleeping (2)

Sep 27, 2017 · 26 min

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.

S1·E3

The Good, The Bad, The Weird (1)

Sep 28, 2017 · 28 min

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.

S1·E4

The Good, The Bad, The Weird (2)

Sep 28, 2017 · 30 min

So Yoon tries to kill her father to protect her mother, and Seung Won tries to stop her and help her out.

S1·E5

Secretly, Greatly (1)

Oct 4, 2017 · 28 min

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 differentl

S1·E6

Secretly, Greatly (2)

Oct 4, 2017 · 32 min

Jae Chan tells Seung Won to stay out of trouble, but they only drift apart more.

S1·E7

A Few Good Men (1)

Oct 5, 2017 · 28 min

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 happenin

S1·E8

A Few Good Men (2)

Oct 5, 2017 · 31 min

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.

S1·E9

Don't Trust Her (1)

Oct 11, 2017 · 28 min

Hong Joo is torn between going back to work and helping her mother out at the restaurant.

S1·E10

Don't Trust Her (2)

Oct 11, 2017 · 31 min

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.

S1·E11

A City of Blinds (1)

Oct 12, 2017 · 28 min

Jae Chan has a precognitive dream that shows Hong Joo announcing false insurance case in the news.

S1·E12

A City of Blinds (2)

Oct 12, 2017 · 31 min

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.

S1·E13

Secret That Can't Be Told (1)

Oct 18, 2017 · 29 min

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 p

S1·E14

Secret That Can't Be Told (2)

Oct 18, 2017 · 30 min

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.

S1·E15

Pride and Prejudice (1)

Oct 19, 2017 · 29 min

A murder case of Yoo Su Kyung,a former professional archer, occurs andDo Hak Youngis pointed as the prime suspect.

S1·E16

Pride and Prejudice (2)

Oct 19, 2017 · 30 min

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.

S1·E17

The Usual Suspect (1)

Oct 25, 2017 · 29 min

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 Yo

S1·E18

The Usual Suspect (2)

Oct 25, 2017 · 31 min

Meanwhile, Yu Beom uses the media to appeal to the public on Yoo Su Kyung's case.

S1·E19

A Boy Meets a Girl (1)

Oct 26, 2017 · 29 min

Jae Chan gets shot by Yoo Su Kyung’s father, Yoo Man Ho, and gets transferred to a hospital.

S1·E20

A Boy Meets a Girl (2)

Oct 26, 2017 · 30 min

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.

S1·E21

To Die or to Be Bad (1)

Nov 1, 2017 · 30 min

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 re

S1·E22

To Die or to Be Bad (2)

Nov 1, 2017 · 29 min

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.

S1·E23

What Caused His Death? (1)

Nov 2, 2017 · 29 min

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

S1·E24

What Caused His Death? (2)

Nov 2, 2017 · 30 min

Meanwhile, Moon Sun wants to keep Jae Chan away from Hong Joo because she doesn’t want to see Hong Joo suffer.

S1·E26

We're on Our Way to Meet You Now (2)

Nov 8, 2017 · 30 min

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

S1·E27

Catch Me If You Can (1)

Nov 9, 2017 · 30 min

After the arson, Criminal Division Three is swamped with work.

S1·E28

Catch Me If You Can (2)

Nov 9, 2017 · 28 min

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

S1·E29

Stand by Me (1)

Nov 15, 2017 · 28 min

Hong Joo is injected with a lethal drug and loses consciousness.

S1·E30

Stand by Me (2)

Nov 15, 2017 · 30 min

Fortunately, Jae Chan comes just in time to save her. The court hearing begins and Hong Joo is summoned to testify.

S1·E31

This Will All Pass (1)

Nov 16, 2017 · 30 min

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 t

S1·E32

This Will All Pass (2)

Nov 16, 2017 · 29 min

Meanwhile, Woo Tak decides to take a huge risk in order to help this trial be successful.