Dr. Križan is a Professor of Psychology at Iowa State University and an affiliate of the Center for Study of Violence. He directs the Sleep, Self, and Personality Laboratory (SSPeL) that examines how sleep and personality intersect with social behavior and self-regulation. Dr. Krizan's research has been funded by the National Science Foundation, Federal Bureau of Investigation, and the Department of Transportation. He also serves as an Associate Editor for Personality and Social Psychology Bulletin and for Journal of Research in Personality.

More American Struggle to Fall and Stay Asleep

November 18th, 2019

New findings from the National Health Interview Survey suggests sleep quality is taking a hit in recent years.

Loosing Just a Few Hours of Sleep Increases Anger

December 11th, 2018

Read about a new experiment on sleep and anger when frustrated

Dr. Krizan with Shane Mauss: What does it mean to be asleep vs. awake?


Join comedian Shane Mauss and Dr. Krizan as they discuss the nature of wakefulness, consciousness, and society.

Do Smartphones Displace Sleep for an Entire Generation?

October 22nd, 2017

KCCI TV (Des Moines, IA)

Do We Know Our Abilities?

April 7th, 2014

The Gazette (Cedar Rapids, IA)

How Different are Men and Women?

January 29th, 2015

KCCI News (Des Moines, IA)

18 Signs You are Dealing with a Narcissist

February 2, 2014

Huffington Post

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Department of Psychology

Iowa State University, Ames, 50011

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