While You Were Sleeping () is a 2011 South Korean television series starring Lee Chang-hoon, Choi Won-young, Oh Yoon-ah and Lee Young-eun. The daily drama aired on SBS on Mondays to Fridays at 19:15 from May 16 to November 9, 2011 for 120 episodes.
Plot Oh Shin-young (Lee Young-eun) is a hospital cafeteria nutritionist with a bright personality, who is happily married to Yoon Min-joon (Choi Won-young), who works in the sales department of a food company. But while giving birth, Shin-young falls into a vegetative state induced by the hospital's chief obstetrician Go Hyun-sung (Oh Yoon-ah). Hyun-sung is Min-joon's ex-girlfriend who is still in love with him, despite being married to Chae Hyuk-jin (Lee Chang-hoon), the director of a food company and Min-joon's boss. When Hyuk-jin learns of his wife's betrayal, he plans his revenge.
Cast Main characters Lee Chang-hoon as Chae Hyuk-jin Choi Won-young as Yoon Min-joon Oh Yoon-ah as Go Hyun-sung Lee Young-eun as Oh Shin-young
Hyuk-jin's family Jung Dong-hwan as Chae Dae-pil Park Joon-geum as Mrs. Jang Baek Min-hyun as Chae Woo-jin Kim Jin-woo as Chae Hwan-hee
Min-joon's family Kim Ha-kyun as Yoon Hwang-goo Song Ok-sook as Na Pil-boon Lee Sung-yeol as Yoon So-joon
Hyun-sung's family Kim Hak-chul as Go Kyung-ho Ahn Hae-sook as Lee Hye-ja
Shin-young's family Kang Ye-sol as Oh Shin-hye Lee Duk-hee as Shin Sook-hee
Extended cast Ahn Ji-hyun as Maeng Hyun-joo Min Joon-hyun as Chae Dae-pil's secretary Lee Bum-hak as Bum-goo Park Woo-chun
Awards and nominations Year Award Category Recipient Result 19th SBS Drama Awards Excellence Award, Actor in a Weekend/Daily Drama Excellence Award, Actress in a Weekend/Daily Drama Special Acting Award, Actress in a Weekend/Daily Drama
References
External links While You Were Sleeping official SBS website