Sleep Theory

Where to see Sleep Theory in 2026

• Louder Than Life 2026 lineup →

  September 17–20, 2026 · Highland Festival Grounds, Louisville, KY

  Lineup · Sunday

• Aftershock 2026 lineup →

  October 1–4, 2026 · Discovery Park, Sacramento, CA

  Undercard · Sunday

• Sick New World Texas 2026 lineup →

  October 24, 2026 · Texas Motor Speedway, Fort Worth, TX

  On the bill · Saturday

Who Sleep Theory is

New-generation alt-metal built on a soulful clean vocal and a very modern low end — the format's next arena act in waiting.

alt-metalpost-hardcorerockpost-grunge

Sounds like Sleep Theory

DayseekerBad OmensNothing MoreThe Plot In You

Also compared to Sleep Token, Dead Poet Society.

Also on these bills

Rain City DriveHelmetViolent ViraBushHail The SunAmira ElfekyThe Plot In YouScary Kids Scaring KidsMy Chemical RomanceSystem of a DownCatch Your BreathTool

Find acts like Sleep Theory

Start the finder with Sleep Theory already in the box and see which acts on a lineup fit the same taste.

Find acts like this at Louder Than Life 2026 →Find acts like this at Aftershock 2026 →Find acts like this at Sick New World Texas 2026 →

Past appearances

• Download 2026 lineup →

  June 11–14, 2026 · Donington Park, Leicestershire, UK

  On the bill · Friday · Avalanche Stage