Epidemiological and interventional research has highlighted sleep as a potentially
modifiable risk factor associated with poor physical and mental health. Emerging evidence …

During the last decade quantitative and molecular genetic research on sleep has increased
considerably. New behavioural genetics techniques have marked a new era for sleep …

Twin studies have shown that a substantial proportion of the variance for sleep variables is
due to genetic factors. However, there is still considerable heterogeneity among research …

Sleep is one key feature of people's lives that defines their daily routine and reflects overall
health and well–being. To test the relevance of personality for core aspects of sleep, we …

Why do some individuals need more sleep than others? Forward mutagenesis screens in
flies using engineered mutations have established a clear genetic component to sleep …

The COVID-19 pandemic has created a lot of fear and anxiety globally. The current study
attempted to investigate the association among the big five personality traits and the two …

Introduction Many adults experience poor sleep quality, and personality traits have emerged
as important predictors of self-reported sleep. However, it is still unclear whether personality …

Objectives Despite evidence that sleep duration affects adolescent health, there remain
important research gaps in the literature. Little is known about (1) whether the association …

Adolescence development is characterized by significant changes in sleep biology. Despite
an overall decline in sleep duration and a delay in bedtime, significant interindividual …

There is a consistent relationship between body mass index and sleep quality. However, the
directionality and possible confounding factors of this relationship are unclear. Our aim is to …