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 …

The circadian rhythm is crucial for physiological and behavioral functions. Chronotype,
which represents individual preferences for activity and performance, is associated with …

Light can impact human health via the visual and non-visual systems originating in the retina
of the eye or as optical radiation falling on eye or skin. This paper provides a summary of …

Disturbances of the sleep-wake cycle are highly prevalent and diverse. The aetiology of
some sleep disorders, such as circadian rhythm sleep-wake disorders, is understood at the …

Obesity is a chronic and relapsing public health problem with an extensive list of associated
comorbidities. The worldwide prevalence of obesity has nearly tripled over the last five …

White light-emitting diodes (LEDs) will likely become the most used lighting devices
worldwide in the future because of their very low prices over the course of their long …

Blue-blocking glasses, also known as amber glasses, are plastic glasses that primarily block
blue light. Blue-blocking glasses have been studied as a sleep intervention for insomnia …

The widespread use of electric light and electronic devices has resulted in an excessive
exposure to light during the late-evening and at night. This late light exposure acutely …

Abandoning daylight saving time in Europe raises the topical issue of proper setting of
yearlong social time, which needs mapping of various socio-demographic factors, including …