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the claim

Teenagers experience biological shifts causing later sleep and wake times

the verdict
SUPPORTED
the evidence backs this
Recorded sources
3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Biological shifts during adolescence cause a natural delay in circadian timing, resulting in later sleep and wake times.

The analysis

The retrieved literature consistently supports the claim that adolescence involves biological and pubertal shifts in circadian regulation, leading to delayed sleep and wake times. Papers [8], [9], and [10] explicitly discuss this adolescent phase delay and its neurobiological and pubertal drivers. Other papers investigate broader circadian mechanics or non-human models, but none refute the core claim.

Evidence for · 3
Recorded source metadata

Carmen M Schröder. Circadian disorders of sleep in adolescence: impact of the multimedia.. 2015. https://pubmed.ncbi.nlm.nih.gov/29879331/

Puberty is associated with a significant circadian phase delay in sleep, leading to difficulties with sleep onset and waking up.

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More for · 2
Recorded source metadata

Daniel L Hummer, Theresa M Lee. Daily timing of the adolescent sleep phase: Insights from a cross-species comparison.. 2016. https://doi.org/10.1016/j.neubiorev.2016.07.023

Adolescence features a dramatic delay in the daily timing of the sleep-wake cycle that correlates with pubertal maturation.

Recorded source metadata

M H Hagenauer, J I Perryman, T M Lee, M A Carskadon. Adolescent changes in the homeostatic and circadian regulation of sleep.. 2009. https://doi.org/10.1159/000216538

Pubertal changes in the homeostatic and circadian regulation of sleep promote a delayed sleep phase common across mammals.

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first checked31 Jul 2026
judged → SUPPORTED · 7531 Jul 2026
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