night person

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night person (plural night people)

1. (idiomatic) A person whose preference or custom is to remain awake and active during the evening and early morning (night) hours, and who usually sleeps during part of the daytime.
   • 1957 November 30, Walter E. Wilson, “The Horses of the Night”, in The Harvard Crimson, retrieved 12 Feb. 2009:

     "You see, I'm a creature of the night."
     "A what?"
     "A night person; I live during the nights, and sleep during the days."

   • 2009 January 24, Amy Sacco, “A Life in the Day: Amy Sacco, lady of the night”, in Times Online, UK, retrieved 12 Feb. 2009:

     I've always been a night person—my mother put me in afternoon kindergarten because she couldn’t get me up in the morning.

• nighthawk, night owl

• morning person

• morning impaired

• “night person”, in OneLook Dictionary Search.