0801 Changes in Sleep Habits as a Function of Age in Late Adolescence
Notice bibliographique
Résumé
As they grow older, adolescents tend to go to bed later, but still wake-up early to go to school during weekdays. It has also been found that boys and girls have different sleep habits. However, few studies have looked at the changes in these sleep habits in both genders across adolescence. This was the aim of the present study. 654 adolescents (269boys; 385girls; 14-17y) completed questionnaires on sleep habits. First, repeated measures ANOVAs were performed on the sleep midpoint during school nights and during weekends in order to compare the sleep patterns of boys and girls across age (14 to 17 years old). Secondary analysis were then performed on bedtimes and wake-up times during weekends using repeated measures ANOVAs to compare only the 16 and 17 years old boys and girls. A significant Gender X Age interaction was found [F(3,4.567)=2.714,p<.05] for the sleep midpoint during weekends. Single comparison follow-up analysis using independent t-tests showed thatat 16y, the boys’ sleep midpoint on weekends was significantly later than the girls’ (5h23±1h24 vs 4h55±1h10,respectively; t(206)=2.622,p=.01). This finding led us to investigate the sleep schedules of older teenagers. There was no difference in bedtimes during weekends between 16 and 17 year old boys and girls. However, there was a significant Gender X Age [F(1,12.087)=4,466,p<.05] interaction for the wake-up times on weekends. Results show that 16 and 17 years old girls continued to gradually delay their wake-up times as they grow older. On the other hand, at 17, boys show a significant advance in their wake-up times. Our results suggest that sleep habits are changing differently in boys and girls across adolescence. Further studies should look at possible explanations for these gender differences. For example, it could be hypothesized that older boys are more likely to have a job than older girls, which could explain why they wake-up earlier on weekends. Our results underline the importance of studying weekend sleep habits in late teens, as it may have a significant impact on their overall sleep. N/A
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Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,000 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,001 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule tête enseignante, pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».