In a new study measuring the performance of college students, researchers found that cognitive performance of students peaks in the afternoon and evening. 

Society, especially the school system, is set up to accommodate earlier schedules, but for college students, after 11 a.m. is better for learning. In the study, “evening” people outnumbered “morning” people by 2:1.

Not everyone is an evening person, though, especially professors.

“Adolescents have a much later body clock,” said Mariah Evans, sociology professor and co-author of the study. “It’s hard for adults to understand the degree to which ‘teen shift’ is real.” 

To read the full story in the Wall Street Journal, click here.