A manifestation of a persons Circadian Rhythm which encapsulates the tendency to be awake at a particular period in the 24 hour day cycle.
A person’s owlness or larkness is also known as their chronotype, it is strongly determined by their genetics and can be affected by their environment.
Typically modern world is better suited for morning larks due to the socioeconomic structure of work industry, as a result night owls might struggle to perform well in certain roles.