The interest in the systematic study of the circadian typology (CT) is relatively recent and has
developed rapidly in the two last decades. All the existing data suggest that this individual …

Chronotype is an individual difference trait that is closely linked to biological variables.
Usually, men and women differ in their chronotype with men being more evening oriented …

The accurate measurement of circadian typology (CT) is critical because the construct has
implications for a number of health disorders. In this review, we focus on the evidence to …

The aim of this study was to examine sex differences in sleep‐time preference by age
among Italian pre‐adolescents, adolescents, and adults. The final sample consisted of 8,972 …

Sleep habits and circadian preference (morningness/eveningness, M/E) have been
extensively analyzed in adolescents and young adults, while few studies were conducted on …

Individual differences in circadian phase preference (“chronotype”) are linked to sleep
schedule variability, psychosocial functioning, and specific properties of the circadian clock …

The present study investigates whether the circadian preferences of students are related to
their academic achievements. This study explores whether different class times affect …

Gender differences in circadian typology and in biological rhythms have been revealed by
using biological measurements but results based on self-report questionnaires are …

The article investigates central aspects of Morningness–Eveningness personality, focusing
on recent literature in this field from 1995. A review was written by Kerkhof (1985) about …

This paper illustrates a psychometric approach of broad relevance to psychiatric research
instruments. Many instruments include indicators related to more than one source of true …