A marker for the end of adolescence.

By Till Roenneberg, Tim Kuehnle, P. Pramstaller, J. Ricken, M. Havel, A. Guth, M. Merrow. Current Biology, 2004

1,490 citations recorded by the source corpus.

Abstract Between childhood and adulthood, we go through puberty and adolescence. While the end of puberty is defined as the point of cessation of bone growth (epiphyseal closure; girls: 16 y; boys: 17.5 y), the end of adolescence (∼19 y) is defined less clearly, by a mixture of physical, psychological, social, and mental measures [1]. One conspicuous property of adolescence is the apparently unsaturable capacity to stay up late and to sleep in. Investigating ‘chronotypes' we observed an abrupt change in the timing of sleep at around the age of 20 and propose this change as the first biological marker of the end of adolescence.

Subfields: Endocrine and Autonomic Systems, Experimental and Cognitive Psychology

View Paper: https://www.semanticscholar.org/paper/601a9f992e03b273ae65aa39c6e4e02101117e9c

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In Endocrine and Autonomic Systems

In Experimental and Cognitive Psychology

Citations in the corpus

Audio and video podcasts of lectures for campus‐based students: production and evaluation of student use (2007, result): “…with download activity peaking in late afternoon (Figure 2A), although Podcasting lectures for campus-based students 391 6% of downloads occurred between 11 p.m. and 4 a.m., consistent with studies indicating a lag in the rhythm of body clocks at the end of adolescence (Roenneberg et al. , 2004).”
The Circadian Clock and Human Health. (2016, background): “The distribution is largely derived from genetic polymorphisms in clock genes [3], development (age) [4,5] and environment [6].”
Epidemiology of the human circadian clock. (2007, methodology): “The large MCTQ database accumulated with our MCTQ survey allowed us to examine this age-dependency as an epidemiological phenomenon because there are many subjects for each age group.(25) Within each age group, the shape and width of the chronotype distribution (MSFsc) is similar to that of the gene”
Morning is tomorrow, evening is today: relationships between chronotype and time perspective (2013, background): “Although chronotype is genetically based, its changes systematically occur throughout the lifespan, e.g., during puberty and adolescence (Roenneberg et al. 2004).”
Circadian Typology: A Comprehensive Review (2012, background): “Eveningness may be considered as a biological marker for the end of adolescence (Randler, 2011; Roenneberg et al., 2004).”
Circadian preferences and personality traits: A meta‐analysis (2010, background): “…individuals while adolescents, particularly around the age of 13, show a shift towards eveningness preference (e.g. Dı́az-Morales, De Leon, & Sorroche, 2007; Randler, 2008a) although at the end of adolescence there is a trend of shifting back towards morningness (Roenneberg et al., 2004).”
Entrainment of the Human Circadian Clock to the Natural Light-Dark Cycle (2013, methodology): “Chronotype was determined once using the Morningness-Eveningness Questionnaire (MEQ) [27] and the Munich Chronotype Questionnaire (MCTQ) [28, 29] for each participant’s habitual diurnal preference/behavior.”
Sleep, circadian rhythms, and delayed phase in adolescence. (2007, background): “Their data show a progressive delay of midphase of sleep from age 10 to 20 [22].”
Circadian Preferences, Sleep Quality and Sleep Patterns, Personality, Academic Motivation and Academic Achievement of university students (2014, result): “Similar results were reported in literature regarding MEQ (DeYoung et al., 2007; Randler, 2008; Roenneberg et al., 2004; Roeser et al., 2013; Tonetti et al., 2009; Vardar et al., 2008).”
Chronotype, cognitive abilities, and academic achievement: A meta-analytic investigation☆ (2011, background): “…and academic achievement: A meta-analytic investigation☆ Franzis Preckel a,⁎, Anastasiya A. Lipnevich b, Sandra Schneider a, Richard D. Roberts c a University of Trier, Germany b Queens College, CUNY, USA c Educational Testing Service, Princeton, NJ, USA a b s t r a c ta r t i c l e i n f o”
Sleep patterns and predictors of disturbed sleep in a large population of college students. (2010, background): “Of these publications, most have focused on sleep patterns, fatigue, and academic performance [17,21,22].”
Morningness in German and Spanish students: a comparative study (2007, background): “Some studies found differences between males and females, often with men scoring higher on eveningness than females (Tankova et al., 1994; Adan & Natale, 2002; Natale & Danesi, 2002; Roenneberg et al., 2004), but others did not (Bearpark & Mitchie, 1987; Carskadon, Vieira, & Acebo, 1993; Greenwood, ”