Delta Sleep are a British math rock band, formed in 2010 in Canterbury. They are currently based in Brighton and consist of Devin Yuceil on guitar and vocals, Glen Hodgson on guitar, Dave Jackson on bass and Blake Mostyn on drums. They have so far released 4 EPs and 5 albums.

Math rock is a style of music rooted in progressive rock that developed in the late 1980s through complex guitar-heavy rhythms based on experimental rock music. The style is characterized by complex, atypical rhythmic structures, choppy melodies, riff dominance and dissonant chords.