2018 June 11, Angus Chen, “How Hunger Pangs Can Make Nice People 'Hangry'”, in NPR[1]:
But how hunger turns into hangriness is a mystery, says Jennifer MacCormack, a doctoral candidate at the University of North Carolina, Chapel Hill in psychology and neuroscience, who wanted to understand the phenomenon.
2022, Micaela Fox Corn, “Tween Science Hangry?”, in Pitt Med[2]:
In addition, stress or intense emotions can actually lead to more ghrelin production and hunger. Stress-eating is a cousin of hangriness.
2024 January 3, Mark Travers, “A Psychologist Explains The Science Of The ‘Hangry’ Phenomenon”, in Forbes[3]:
A 2019 study suggests that the intensity of your “hangriness” is influenced by the interplay of interoception—the awareness of our body’s internal signals—and environmental context.