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Sommeil de l'adolescent : effet de l'activité physique et de l'alimentation chez l'adolescent sportif ou en condition d'obésité

Abstract : Physical activity and ingested nutrients take part in the regulation of the internal clock andsleep physiology. Recently, there has been a surge of interest in this topic. However, studiesremain almost exclusively limited to adults. Adolescence is marked by critical transitionsthat may trigger several behavioral disturbances particularly with regard to sleep. A problemcompounded by an array of endogenous and exogenous factors forming the so called“Perfect Storm” of both altered sleep duration and quality. Obesity and elite sport are twofactors that have been separately associated with sleep disturbances, and have a negativeimpact on holistic development, with lowered performance and altered health status ofadolescents, both physical (recovery, metabolism, growth, weight control) and cognitive(learning, memory, decision-making, vigilance). Therefore, the purpose of this work was toexplore the effect of physical activity and nutrition on sleep among these two distinctadolescent populations. Altered sleep pattern in young athletes seems to be more related tosport constraints such as competition and travel. However, acute exercise improves sleepduration in quality in both populations (athlete and with obesity). Moreover, dietary intakeseems to be a promising alternative to improve sleep quality. Only three days undercontrolled feeding fixed at the recommended dietary allowance resulted in reduced sleeponset latency in adolescents with obesity compared to ad-libitum condition. Finally,randomized controlled studies are needed to support the effect of certain nutrients on sleep.PROTMORPHEUS study will bring a fuller understanding of the effect of proteintryptophan/large neutral amino acids ratio on sleep.
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Oussama Saidi. Sommeil de l'adolescent : effet de l'activité physique et de l'alimentation chez l'adolescent sportif ou en condition d'obésité. Education. Université Clermont Auvergne, 2020. Français. ⟨NNT : 2020CLFAC059⟩. ⟨tel-03191317⟩

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