Sleep timing is controlled by the subtle interplay between circadian and homeostatic
oscillators which, according to their endogenous properties, allow beings to feel …

Many processes in the human body—including brain function—are regulated over the 24-
hour cycle, and there are strong associations between disrupted circadian rhythms (for …

Abstract Changes in levels of the stress-sensitive hormone cortisol from morning to evening
are referred to as diurnal cortisol slopes. Flatter diurnal cortisol slopes have been proposed …

Attention-deficit/hyperactivity disorder (ADHD) is commonly associated with disordered or
disturbed sleep. The relationships of ADHD with sleep problems, psychiatric comorbidities …

Attention-deficit/hyperactivity disorder (ADHD) is a prevalent and serious
neurodevelopmental disorder characterized by symptoms of inattention and/or hyperactivity …

Reports of sleep disturbances in attention deficit hyperactivity disorder (ADHD) are common
in both children and adults; however, the aetiology of such disturbances is poorly …

For over 100 years, ADHD has been seen as essentially a behavior disorder. Recent
scientific research has developed a new paradigm which recognizes ADHD as a …

Attention deficit/hyperactivity disorder (ADHD) is one of the most commonly diagnosed
disorders in childhood, enduring through adolescence and adulthood and presenting with …

Several studies reported abnormal cortisol and inflammatory biomarker levels in youths with
attention deficit hyperactivity disorder (ADHD), but the results have not been conclusive. We …

Sleep problems are highly prevalent in ADHD and autism spectrum disorder (ASD). Better
insight in the etiology is of clinical importance since intervention and prevention strategies of …