Circadian Preferences, Sleep Quality and Sleep Patterns, Personality, Academic Motivation and Academic Achievement of university students

Moreover, in the female sample both Sleep Quality and Academic Motivation of morning type students were better than those of evening types and those of neither type. Meanwhile regression analysis shows that in all Personality traits Academic Motivation and sub-domains of Academic Motivation are significant predictors; and in some Personality traits, ASL, circadian typology and Academic Achievement emerged as significant predictors. These results suggested that Circadian Preferences, Sleep Quality and Sleep Patterns, Personality and Academic Motivation were interrelated and had a significant effect on Academic Achievement.