Attention deficit hyperactivity disorder symptom severity and sleep problems in adult participants of the Netherlands sleep registry

Current overall ADHD symptom severity is associated with the odds of suffering from obstructive sleep apnea syndrome, restless legs syndrome, periodic limb movement disorder, and insomnia disorder.

• Current ADHD symptom severity correlates with difficulties initiating and maintaining sleep.
• The most severe ADHD symptoms are linked to a persistent history of sleep problems, including obstructive sleep apnea and insomnia.
• Severity of hyperactivity symptoms is associated with insomnia, restless legs syndrome, and periodic limb movement disorder.
• Inattention symptom severity is related to being an extreme evening person but not to other sleep disorders.

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