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Insufficient Sleep and Sleep Deprivation

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Related Experiment Video

Updated: May 17, 2026

Chronic Sleep Deprivation in Mouse Pups by Means of Gentle Handling

Chronic Sleep Deprivation in Mouse Pups by Means of Gentle Handling

Published on: October 11, 2018

Total sleep time severely drops during adolescence.

Damien Leger¹, François Beck, Jean-Baptiste Richard

¹Université Paris Descartes, Sorbonne Paris Cité, APHP (Assistance Publique Hôpitaux de Paris), Hôtel Dieu, Centre du Sommeil et de la Vigilance, Paris, France. damien.leger@htd.aphp.fr

|October 20, 2012

Summary

Teenagers experience a significant decline in total sleep time (TST) as they age, leading to increasing sleep debt. This study highlights the prevalence of insufficient sleep in adolescents, impacting their health and well-being.

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Area of Science:

Pediatric Sleep Medicine
Adolescent Health
Epidemiology

Background:

Restricted sleep duration in adolescents is linked to increased risks of obesity, diabetes, and accidents.
Limited epidemiological data exists on normal total sleep time (TST) in representative teenage populations.

Purpose of the Study:

To investigate perceived total sleep time on schooldays (TSTS) and non-schooldays (TSTN) in a national sample of teenagers.
To determine the prevalence of sleep-initiating insomnia among adolescents aged 11-15.
To establish normative sleep data for this age group.

Main Methods:

Analysis of data from 9,251 children (aged 11-15) from the 2011 HBSC cross-national study.
Self-completion questionnaires administered in classrooms to assess sleep habits.
Calculation of TSTN-TSTS difference to estimate sleep deprivation; assessment of sleep-initiating insomnia based on ICSD-2 criteria.

Main Results:

A significant decrease in TST was observed from age 11 to 15, both on schooldays (9h 26m to 7h 55m) and weekends (10h 17m to 9h 44m).
Sleep deprivation prevalence increased from 16.0% at age 11 to 40.5% at age 15.
The proportion of short sleepers (≤7 hours/night) rose from 2.6% at age 11 to 24.6% at age 15.

Conclusions:

Adolescent TST drastically decreases with age, creating a significant and escalating sleep debt.
This age-related decline in sleep highlights a critical public health concern for adolescent sleep health.
Findings underscore the need for interventions to address insufficient sleep in teenagers.