Sleep Theory

Latest about Sleep Theory

Cullen Moore Sleep Theory
Sleep Theory's Cullen Moore: The 10 records that changed my life

By Jason Brow Published

Sleep Theory have become hot new stars for their mash-up of metal and R'n'B, but Cullen Moore shows its more than just lip service

Interviews
Sleep Theory Press 2026
How Sleep Theory became baddiecore's fastest rising stars

By Dannii Leivers Last updated

Sleep Theory founder and vocalist Cullen Moore shares his band's journey from military service to selling out venues both sides of the Atlantic

Bands & Artists
Composite image of Mayhem, A.A. Williams, Sleep Theory, Green Carnation and Hawxx
Metal Hammer's tracks of the week: February 6 2026

By Rich Hobson Published

Mayhem, Sleep Theory and Green Carnation are among the best new metal songs this week

Tracks & Singles
The singers from the new Metal Hammer covers
Sleep Theory, President, Castle Rat and Paleface Swiss star on four special new Metal Hammer covers

By Eleanor Goodman Published

The New Heavy 2026 has arrived, and it's starring four of the most exciting young bands in metal today

Bands & Artists
Members of Spiritbox, Killswitch Engage, Sleep Theory and Employed To Serve
The 10 best metalcore albums of 2025

By Merlin Alderslade Published

From legends coming back strong to young artists pushing the genre forward, it's been a standout year for metalcore - and here's the proof

Albums