"When We All Fall Asleep, Where Do We Go?" is the debut studio album by American singer-songwriter Billie Eilish, released on March 29, 2019. The album features a blend of pop, electropop, and alternative music, showcasing Eilish's unique vocal style and introspective lyrics. It explores themes of anxiety, sleep, and the complexities of modern life. The album received critical acclaim and commercial success, debuting at number one on the Billboard 200 chart. It includes hit singles like "Bad Guy" and "When the Party's Over," which contributed to Eilish's rise in popularity and established her as a prominent figure in contemporary music.