Sleepy

Biography

Kim Sung-won (Korean: 김성원; born February 21, 1984), better known by his stage name Sleepy (슬리피), is a South Korean rapper and a television personality. He is a member of the hip hop boy duo Untouchable. He released his solo debut single, "Cool Night", on June 16, 2015. He became a household name after appearing on reality TV shows like Real Man, I Live Alone, Law of the Jungle, and We Got Married.

TS Entertainment lawsuit

On September 14, 2019, it was revealed that Sleepy had filed a lawsuit to terminate his contract with TS Entertainment, citing lack of trust after they refused to show him payment documents and a physical copy of his contract. Sleepy also said that he did not receive any payment for his activities until 10 years after his contract was signed. TS later denied these statements, saying all of Sleepy's claims were "false" and that he embezzled funds from the company, which Sleepy denied. The next day, it was announced TS Entertainment was forwarded to prosecution for overdue payments of artists.

Personal life

Sleepy planned to marry his girlfriend Kim Na-hyun on October 10, 2021, however he postponed the wedding due to the COVID-19 pandemic. Later in March 2022, Sleepy announced that he would marry his non-celebrity girlfriend on April 9, 2022.
On November 6, Sleepy shared on his Instagram the happy news of his wife's pregnancy and that he was going to be a father soon. Their first child, a daughter, was born on March 29, 2024. On December 2nd, 2024 Kim Na-hyun appeared for an interview for the first time on television with Sleepy. During the interview Sleepy said his wife is 8 years younger than he is and Na-hyun also revealed that she was currently 4 months pregnant with their second child. Their second child, a boy, was born on April 23, 2025.