Can be confuseddiurnal nocturnal
Examples from the Web for nocturnal
As the sun was setting, we made our way back, along a highway furrowed by hippos during their nocturnal forages.Walking With Wildebeests: Exploring the Serengeti on Foot|Joanna Eede|July 9, 2013|DAILY BEAST
Coffeehouses stayed open late, while in the countryside, “spinning bees”—nocturnal gatherings of women—were enduringly popular.
Dennis was recovering from a downturn in his life—wild drugs, hospital, and a nocturnal escape organized by Jack Nicholson.
With our long immigration stalemate, it is currently, and perhaps eternally, a nocturnal river.
I will admit, however, they made for some spectacular views of nocturnal Baghdad in its orange bath of streetlights.
At the sight of her my nocturnal eloquence became preposterous and all the moral values altered altogether.Tono Bungay|H. G. Wells
In the stillness beyond the window the nocturnal noise of the city heaved wearily, and cold air blew on their faces and shoulders.Mother|Maksim Gorky
These nocturnal interviews with M. de Camors were rare, and she had usually received him at home.Monsieur de Camors, Complete|Octave Feuillet
Even thus early, what may be called the nocturnal instinct was strong within him.Creatures of the Night|Alfred W. Rees
The giving up of interest for the nocturnal mental processes is indeed purposeful.Dream Psychology|Sigmund Freud