early riser

plural early risers

1. Someone who rises (gets up) early in the morning.

   I was surprised to see him asleep at 10:00, as he's normally such an early riser.

   2 more examples

   As we strolled along admiring the many-masted vessels, an old man, an early riser and doubtless a poor sleeper (as so many old people are) stopped us.

   1987, Gene Wolfe, chapter XXXI, in The Urth of the New Sun, 1st US edition, New York: Tor Books, →ISBN, →OCLC, page 186

   An hour's pause in the journey, wherein early Risers may practise, each day, upon a diff'rent set of Travelers. Flirting? Cards? Coffee and Chatter? the Hope is for a productive, when not amusing, Hour.

   1997, Thomas Pynchon, chapter 33, in Mason & Dixon, 1st US edition, New York: Henry Holt and Company, →ISBN, part Two: America, page 327

   Synonyms: early bird, morning person