What question did this study set out to answer?

To investigate the relationship between sleep patterns and pubertal indicators in adolescents.

Changes in sleep patterns in adolescents are more associated with pubertal indicators than age: A perfect storm with a dash of hormones

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Cross‐sectional analysis shows sleep patterns are linked to pubertal maturity in adolescents, suggesting hormonal influences.

To investigate the relationship between sleep patterns and pubertal indicators in adolescents.
Cross‐sectional analysis of 121 Brazilian adolescents aged 9 to 17
Participants reported sleep habits and circadian preferences
Analysis based on age and pubertal status (self‐rated and clinician‐rated)
Older age correlated with later weekday bedtimes
Later bedtimes on weekends and reduced time in bed associated more with Tanner stages
Evening preference linked to higher Pubertal Development Scale and gonadal development

Sánchez et al. (2025) studied this question.

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