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SLEEPER · Updated 2026-09-30
WAKER (SLEEPER) debuted 8 Jan 2024 under HOWLING ENTERTAINMENT - 2 years active as of 2026.
| Debut date | 8 Jan 2024 |
| Debut year | 2024 |
| Years active (as of 2026) | 2 |
| Agency / label | HOWLING ENTERTAINMENT |
| Members | 6 |
| Lineup | Kohyeon, Kwon Hyeop, Ijun, Leo, Saebyeol, Sebum |
| Fandom | SLEEPER |
When did WAKER debut?
WAKER debuted 8 Jan 2024 under HOWLING ENTERTAINMENT.
How many years has WAKER been active?
As of 2026, WAKER has been active about 2 years, since debuting 8 Jan 2024.
What agency is WAKER under?
WAKER is under HOWLING ENTERTAINMENT.
How many members does WAKER have?
WAKER has 6 members: Kohyeon, Kwon Hyeop, Ijun, Leo, Saebyeol, Sebum.