Expérgo (Latin, "To Wake Up")[3] is the first extended play by South Korean girl group Nmixx.

On February 10, 2023, JYP Entertainment announced Nmixx would be releasing their first extended play titled Expérgo on March 20.

[11] On March 13, the first track "Young, Dumb, Stupid" was pre-released alongside its music video.

The fourth track "Just Did It" was described as a song with lyrics that "express moments when things connects miraculously".

The fifth track "My Gosh" was called a soft pop song with an acoustic guitar rhythm and lyrics about "the excitement of spring".