In what is thought to be the largest - ever survey of social jet lag using real - world data, Smarr and Schirmer analyzed the online activity of 14,894 Northeastern Illinois University students as they logged in and out of the campus's learning management system over two years. (sciencedaily.com)
In addition, for people who are already on the heavy side, greater social jet lag corresponded to greater body weight. (sciencemag.org)
Social jet lag occurred in all three categories of students, but many night owls had such severe jet lag that they couldn't perform at their best at any time of day, the researchers said. (health.com)