Association between excessive daytime sleepiness and depression among Chinese adolescents: the chain mediating effect of fatigue and cognitive deficits

Key Points

• Depression is more prevalent among adolescents experiencing excessive daytime sleepiness, indicating a significant relationship.
• Key evidence shows a strong connection between daytime sleepiness and higher depression scores in Chinese adolescents aged 12-18.
• Analysis employed a mediating effects model to explore the roles of fatigue and cognitive deficits in this relationship.
• These findings highlight the complexity of adolescent mental health, underscoring the need for comprehensive support strategies.