Morning Person Meaning

(idiomatic) A person whose who wakes up without difficulty early each morning and who is alert and active during the first part of the day.

Example: 1971, Paul Hightower, "Senior Forum," St. Petersburg Times (Florida, USA), 21 Nov. (retrieved 12 Feb. 2009):
  "I am a night person. My husband is a morning person since he had to get up early for years for his job." – Mrs. K. G.
2009, Sarah Earle, "Off the wall," Concord Monitor (New Hampshire, USA), 23 Jan. (retrieved 12 Feb. 2009):
  I'm a confirmed morning person, a wind-up doll who starts my day in near-manic motion and ends it with slow, mechanical tasks requiring little energy or thought.