Sleep disturbance in preschool-aged hyperactive and nonhyperactive children.

Area of Science:

• Pediatric Sleep Medicine
• Child Psychology
• Neurodevelopmental Disorders

Background:

• Attention deficit disorder with hyperactivity (ADHD) is often associated with sleep problems, despite limited empirical evidence.
• Sleep disturbances are included in diagnostic criteria and symptom checklists for ADHD.
• Previous research has relied heavily on parental reports, which may be subject to bias.

Purpose of the Study:

• To investigate sleep problems in preschool-aged children with ADHD compared to controls.
• To differentiate between subjective parental reports and objective sleep measures.
• To identify specific sleep-related issues associated with ADHD.

Main Methods:

• Three studies were conducted involving preschool-aged children diagnosed with ADHD and a control group.
• Parental questionnaires and daily sleep diaries were utilized.
• Objective sleep parameters such as total sleep time and sleep onset latency were assessed.

Main Results:

• Parents of children with ADHD reported significantly more sleep problems than parents of control children.
• Objective data revealed no significant differences in total sleep time or sleep onset latency between groups.
• Increased frequency of night wakings was observed in children with ADHD.
• Enuresis and night sweats were more prevalent in subgroups of children with ADHD.

Conclusions:

• While parental reports suggest widespread sleep issues in children with ADHD, objective measures indicate specific disturbances like increased night wakings.
• The frequent night wakings may contribute to the perception of poor sleep in children with ADHD.
• Further research is needed to understand the underlying mechanisms and implications of these specific sleep disturbances.