The Munich ChronoType Questionnaire (MCTQ) has now been available for more than 15
years and its original publication has been cited 1240 times (Google Scholar, May 2019) …

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

Humans show large differences in the preferred timing of their sleep and activity. This so‐
called “chronotype” is largely regulated by the circadian clock. Both genetic variations in …

The question of when people rely on stereotypic preconceptions in judging others was
investigated in two studies. As a person's motivation or ability to process information …

Chronobiology is the science concerned with investigations of time-dependent changes in
physiological variables. Circadian rhythms refer to variations that recur every 24 hours …

We studied the relationship between the phase and the amplitude of the circadian
temperature rhythm using questionnaires that measure individual differences in personality …

Measurements of physiological, biochemical and psychological variables at two or more
different times of day reveal substantial inter-individual differences. This paper reviews …

The biological basis of preferences for morning or evening activity patterns (" early birds"
and" night owls") has been hypothesized but has remained elusive. The authors reported …

Chronotype can be defined as an expression or proxy for circadian rhythms of varied
mechanisms, for example in body temperature, cortisol secretion, cognitive functions, eating …

Objective: To study the relation between work and background factors on the one hand and
disturbed sleep and fatigue on the other. Method: A representative national sample of …