New research published in the European Journal of Personality has found that some personality traits are connected to how long and how well people sleep.
“Sleep is very dynamic and biologically regulated, yet is also a personal characteristics,” said study author Zlatan Krizan, a professor of psychology at Iowa State University.
“Uncovering which personality features predict the nature and rhythm of our sleep is important from a theoretical perspective as well as clinical. Plus I have to admit that my life-long insomnia motivated me find what sleep may show about who we are.”
The researchers analyzed data from 382 individuals who participated in the Midlife Development in the U.S. Study. The study included two initial assessments of basic personality traits. A few year