Chronotype differences and symptom network dynamics of post-pandemic sleep in adolescents and young adults

Maxime Windal, Aurore Roland, Marise Laeremans, Giovanni Briganti, Charles Kornreich, Olivier Mairesse

Onderzoeksoutput: Articlepeer review


Social restrictions during COVID-19 pandemic resulted in altered sleep patterns and mental health challenges, particularly among adolescents and young adults, potentially impacting them beyond the pandemic. Our objective was to examine the insomnia prevalence and sleep patterns in this population between the first COVID-19 lockdown and the post-lockdown, with a focus on the chronotype. Additionally, we explored the network of sleep-related differences between these two periods. A total of 946 respondents participated in our online questionnaire. We performed a mixed ANOVA, Ising network and Directed Acyclic Graph (DAG). Respondents report going to bed earlier, waking up earlier, sleeping less, and feeling less mentally tired than during the lockdown. The severity of insomnia symptoms did not change. Lethargic chronotype reported more insomnia symptoms, depressive feelings, and agitation than others. Mental fatigue was the central symptom in the Ising network and served as the parent node in the DAG. Post-lockdown, adolescents and young adults have shifted to earlier sleep and wake times with reduced overall sleep, and they experience less depressive feelings and agitation, though insomnia symptoms remain unchanged. Participants who reported increased irritability or poorer sleep quality during confinement also reported similar or diminished attentional capacities compared to their usual levels.
Originele taal-2English
Aantal pagina's16
TijdschriftClocks & Sleep
StatusSubmitted - 1 mrt 2024


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