Person working when others sleep

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
nighthawk \nighthawk\ n. A person who likes to be active late at night; a night owl . Syn: night owl, nightbird. (Zo["o]l.) Any of several mainly nocturnal North American goatsuckers, especially Chordeiles minor , or the related European goatsucker Caprimulgus ...

WordNet Word definitions in WordNet
n. a person who likes to be active late at night [syn: nighthawk , nightbird ]

Wikipedia Word definitions in Wikipedia
Night Owl , a 1993 vampire film shot in New York 's Alphabet City and directed by Jeffrey Arsenault, starred John Leguizamo and James Raftery as Jake, a brooding vampire/squatter who picks up women in nightclubs and while having sex with them, slices their ...

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ But I also wondered what I was supposed to do about a lifelong way of living as a night owl . ▪ If you are a night owl this really is the place to come to.

Wiktionary Word definitions in Wiktionary
n. (context idiomatic English) One who stays up late at night or goes to bed late.