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 …

Sleep homeostasis and circadian function are important maintaining factors for optimal
health and well-being. Conversely, sleep and circadian disruptions are implicated in a …

PURPOSE: To investigate prevalence and correlates of delayed sleep phase, characterized
by problems falling asleep in the evening and rising at adequate times in the morning, in a …

Eveningness has been found to negatively affect adolescents' sleep and daytime
functioning. Furthermore, eveningness is associated with greater impulsivity than …

Abstract Background About 50% of Americans and 70% of US military service members use
dietary supplements (DSs). Objectives This cross-sectional survey examined current …

The present study aimed at testing psychometric properties of the Composite Scale of
Morningness (CSM) and validating it with mid sleep on free days (MSF) derived from the …

Chronotye is associated with age, sex, personality, and parental monitoring during
childhood. The evening type is associated with poor school performance, sleep problems …

Few studies have focused on the influence of circadian typology on drug use, and none has
considered the use of illegal drugs and hazardous alcohol consumption. This study …

Evening chronotypes not only differ from morning-types in their sleep and circadian timing,
but they are prone to problematic outcomes involving reward function, including affective …

Morning-and evening-type individuals differ on a number of psychological and biological
variables. There has been increasing interest in the relationship between chronotype and …