Nocturnality describes sleeping during the daytime and being active at night. Nocturnal(s) may also refer to: Music Classical compositions Nocturnal (Varèse), a 1961 work for voice and orchestra by Edgard Varèse Nocturnal after John Dowland, a 1963 work for solo guitar by Benjamin Britten Performers Knoc-turn'al (born 1975), American rapper Nokturnl, an Australian rap metal band Albums Nocturnal (Amaral album) or the title song, 2015 Nocturnal (The Black Dahlia Murder album) or the title song, 2007 Nocturnal (Heltah Skeltah album), 1996 Nocturnal (Yuna album), 2013 Nocturnal, EP by Prozak, 2012 Nocturnal (Roy Woods EP), 2016 Nocturnal, by Florian-Ayala Fauna, 2012 Songs "Nocturnal" (song), by Disclosure, 2016 "Nocturnal", by House of Large Sizes from My Ass-Kicking Life, 1994 Other uses Nocturnal (instrument), a device for determining time from the position of stars Nocturnal (novel), a 2007 podcast and 2012 novel by Scott Sigler Nocturnals, a comics series by Dan Brereton Nocturnal sect, a category in astrology of sect See also Night owl (person), a person who tends to stay up until late at night