While You Were Sleeping OST

While You Were Sleeping OST
Type	OST
Artist	Various Artists
Released	September 28, 2017 (Part.1) October 4, 2017 (Part.2) October 5, 2017 (Part.3) October 11, 2017 (Part.4) October 12, 2017 (Part.5) October 18, 2017 (Part.6) October 19, 2017 (Part.7) October 25, 2017 (Part.8) October 26, 2017 (Part.9) November 1, 2017 (Part.10) November 2, 2017 (Part.11) November 8, 2017 (Part.12) November 9, 2017 (Part.13) November 16, 2017 (Full OST)
Format(s)	CD, download, streaming
Length	7:34 (Part.1) 7:41 (Part.2) 7:14 (Part.3) 8:47 (Part.4) 13:56 (Part.5) 7:18 (Part.6) 6:41 (Part.7) 7:02 (Part.8) 6:36 (Part.9) 7:24 (Part.10) 7:48 (Part.11) 6:38 (Part.12) 6:52 (Part.13) 1:07:38 (Full OST)
Label(s)	iHQ GAZI Contents SM Entertainment (Part.2)
Distributor(s)	Kakao Entertainment
Release chronology
Previous	N/A
Next	N/A

While You Were Sleeping OST (당신이 잠든 사이에 OST) is the original soundtrack for the SBS television drama While You Were Sleeping. It features Eddy Kim, Henry, Roy Kim, Suzy, BrotherSu, SE O, monogram, Davichi, Kim Na Young, Lee Jong Suk, Jung Joon Il, Jang Da Bin, and other various artists.

Track list

Pre-releases

Part.1 (Eddy Kim)

1. "When a Long Night Comes (긴 밤이 오면)" - 3:47
2. "When a Long Night Comes (긴 밤이 오면) (Inst.)" - 3:47

Part.2 (Henry)

1. "It's You" - 3:51
2. "It's You (Inst.)" - 3:50

Part.3 (Roy Kim)

1. "You Belong to My World (좋겠다)" - 3:37
2. "You Belong to My World (좋겠다) (Inst.)" - 3:37

Part.4 (Suzy)

1. "I Love You Boy" - 4:24
2. "I Love You Boy (Inst.)" - 4:23

Part.5 (BrotherSu & SE O)

1. BrotherSu & SE O - "While You Were Sleeping (당신이 잠든 사이에)" - 3:21
2. SE O - "Your World (너의 세상)" - 3:36
3. "While You Were Sleeping (당신이 잠든 사이에) (Inst.)" - 3:21
4. "Your World (너의 세상) (Inst.)" - 3:36

Part.6 (monogram)

1. "Lucid Dream (자각몽)" - 3:39
2. "Lucid Dream (자각몽) (Inst.)" - 3:39

Part.7 (Davichi)

1. "I Miss You (오늘도 그리워 그리워)" - 3:21
2. "I Miss You (오늘도 그리워 그리워) (Inst.)" - 3:20

Part.8 (Kim Na Young)

1. "Maze (미로)" - 3:31
2. "Maze (미로) (Inst.)" - 3:31

Part.9 (Lee Jong Suk)

1. "Come to Me (내게 와)" - 3:18
2. "Come to Me (내게 와) (Inst.)" - 3:18

Part.10 (Jung Joon Il)

1. "If" - 3:42
2. "If (Inst.)" - 3:42

Part.11 (Jang Da Bin)

1. "Let Me Say (말할게)" - 3:54
2. "Let Me Say (말할게) (Inst.)" - 3:54

Part.12 (Lee Jong Suk)

1. "Will You Know (그대는 알까요)" - 3:19
2. "Will You Know (그대는 알까요) (Inst.)" - 3:19

Part.13 (Suzy)

1. "I Wanna Say to You (듣고 싶은 말)" - 3:26
2. "I Wanna Say to You (듣고 싶은 말) (Inst.)" - 3:26

Full OST

Including the drama's musical score.

Disc 1

1. "When a Long Night Comes (긴 밤이 오면)" - 3:47
2. "It's You" - 3:51
3. "You Belong to My World (좋겠다)" - 3:37
4. "I Love You Boy" - 4:24
5. "While You Were Sleeping (당신이 잠든 사이에)" - 3:21
6. "Your World (너의 세상)" - 3:36
7. "Lucid Dream (자각몽)" - 3:39
8. "When the Nightmares Started" - 3:12
9. "Awesome Cute" - 1:56
10. "Rememberable" - 2:23
11. "Spirit of Fire" - 1:54

Disc 2

1. "I Miss You (오늘도 그리워 그리워)" - 3:21
2. "Maze (미로)" - 3:31
3. "Come to Me (내게 와)" - 3:18
4. "Let Me Say (말할게)" - 3:54
5. "If" - 3:42
6. "Will You Know (그대는 알까요)" - 3:19
7. "I Wanna Say to You (듣고 싶은 말)" - 3:26
8. "Traveler" - 1:42
9. "Cat Walk" - 0:57
10. "Stupid" - 1:28
11. "Touch Me In My Dream" - 3:21