Sleep dysregulation in ADHD children: a systematic review and meta-analysis
Abstract
BACKGROUND: Attention Deficit Hyperactivity Disorder (ADHD) is a prevalent neurodevelopmental disorder in children. Abnormalities in sleep metrics among ADHD children gradually garnered attention. However, whether significant differences existed in sleep metrics between ADHD children and their typically developing (TD) counterparts remained controversial, with inconsistent conclusions across studies. Furthermore, the potential moderating effects of age and gender on these differential patterns remained insufficiently characterized. METHODS: The current study systematically analyzed multimodal sleep monitoring data (polysomnography, actigraphy, electroencephalography, and questionnaires) from 34 articles spanning three decades (44 independent studies: 2,239 ADHD children vs. 57,181 TD children), focusing on core sleep metrics (total sleep time, sleep efficiency, sleep latency, wake after sleep onset, awakening index, and stage shifts) and their complex moderating mechanisms. RESULTS: The results demonstrated that ADHD children exhibited impaired sleep continuity (reduced total sleep time, increased stage shifts), severe sleep interruption (prolonged wake after sleep onset, elevated awakening index), and abnormal sleep process effectiveness (decreased sleep efficiency, extended sleep latency). Demographic analyses revealed that maturation exacerbated ADHD-related sleep deficits, and male ADHD children had more severe sleep problems than female ADHD children. Furthermore, the…
How strong is the evidence?
Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 57,181 participants or records.
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