Humans live in a 24-hour environment, in which light and darkness follow a diurnal pattern.
Our circadian pacemaker, the suprachiasmatic nuclei (SCN) in the hypothalamus, is …

Aim Symptoms of bipolar disorder (BD) include changes in mood, activity, energy, sleep,
and appetite. Since many of these processes are regulated by circadian function, circadian …

Background Interest in biological clock pathways in bipolar disorders (BD) continues to grow,
but there has yet to be an audit of circadian measurement tools for use in BD research and …

Purpose Adolescents prefer sleep and wake times that are considerably delayed compared
with younger children or adults. Concomitantly, multimedia use in the evening is prevalent …

Paradoxical insomnia is one of the most intriguing yet challenging subtypes of insomnia.
Despite being recognized for a long time by the international community, it is still unclear …

We tested the effect of different lights as a countermeasure against sleep-loss decrements in
alertness, melatonin and cortisol profile, skin temperature and wrist motor activity in healthy …

Symptoms of sleep disturbances are common among pregnant women and generally worsen
across gestation. Pregnancy-related sleep disorders are not only associated with a poor …

… Analysis and interpretation of data: Sandra Hackethal, Corrado Garbazza. Drafting of the
manuscript: Corrado Garbazza. Critical revision of the manuscript for important intellectual …

In healthy humans, seasonality has been documented in psychological variables, chronotype,
sleep, feeding, metabolic and autonomic function, thermoregulation, neurotransmission, …

Background There is no consensus on reporting light characteristics in studies investigating
non-visual responses to light. This project aimed to develop a reporting checklist for …