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 term social jetlag is used to describe the discrepancy between biological time,
determined by our internal body clock, and social times, mainly dictated by social obligations …

Purpose Insufficient and poor sleep patterns are common among adolescents worldwide.
Up to now, the evidence on adolescent sleep has been mostly informed by country-specific …

Most teenagers are chronically sleep deprived. One strategy proposed to lengthen
adolescent sleep is to delay secondary school start times. This would allow students to wake …

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 …

Adolescence and early adulthood (collectively categorized as “young people”) is a
transitional period associated with a number of key physiological, social and psychological …

Social jetlag, a form of circadian misalignment, has been suggested to induce several
clinical symptoms such as mental/physical health problems. However, evidence on the …

Objective Over the past decade, concurrent with increasing social media use (SMU), there
has been a shift toward poorer sleep among adolescents in many countries. The purpose of …

Lockdown is an important measure that has been globally adopted to reduce the spread of
the contagious disease caused by SARS CoV-2. The imposed schedule and confinement …