"The Death of Peace of Mind" (stylized in all caps) is a song by American heavy metal band Bad Omens. It was initially released as the lead single for their third album of the same name on November 9, 2021. After their song "Just Pretend" became a large viral and radio sleeper hit in late-2022 and early-2023, the band released the song to radio on May 16, 2023, where it also became a large hit. It was certified Gold by the Recording Industry Association of America on January 11, 2024, indicating 500,000 units in the United States (including sales and units adjusted for streaming numbers), becoming their second song to do so after "Just Pretend".
Speaking to Kerrang!, Noah Sebastian stated that the song's writing process started at the beginning of the quarantine of the COVID-19 pandemic in 2020 as an experiment to use as many samples using household objects:
In March 2025, former American Idol finalist, Chris Daughtry covered "The Death of Peace of Mind" on his YouTube channel. Daughtry claimed it was his favorite song from "the past five years".