Sleep problems in pediatric epilepsy and ADHD: The impact of comorbidity
Ozalp Ekinci1, Çetin Okuyaz2, Serkan Gunes1
1Mersin University School of Medicine, Department of Child and Adolescent Psychiatry, Mersin, Turkey.
Insights
Children with epilepsy and attention-deficit hyperactivity disorder (ADHD) experience the worst sleep problems. This comorbidity significantly impacts sleep quality more than ADHD or epilepsy alone.
Area of Science:
- Pediatric Neurology
- Sleep Medicine
- Child Psychiatry
Background:
- Attention-deficit hyperactivity disorder (ADHD) frequently co-occurs with pediatric epilepsy.
- Sleep disturbances are common in both ADHD and epilepsy, but the epilepsy-ADHD comorbidity's sleep profile is understudied.
Purpose of the Study:
- To compare sleep problems in children with epilepsy, children with epilepsy-ADHD comorbidity, and children with primary ADHD.
Main Methods:
- The Children's Sleep Habits Questionnaire (CSHQ) was administered to 53 children with epilepsy, 35 with epilepsy-ADHD, and 52 with primary ADHD.
- Epilepsy-related variables were reviewed from neurology charts.
- ADHD subtypes were diagnosed per DSM-IV criteria.
Main Results:
- The epilepsy-ADHD group exhibited the highest CSHQ total scores, indicating poorer sleep quality compared to the other two groups.
- Children with epilepsy-ADHD also showed higher CSHQ subscores for sleep onset delay and sleep anxiety.
- Moderate to severe sleep problems affected 62.9% of children with epilepsy-ADHD, versus 40.4% with primary ADHD and 26.4% with epilepsy.
Conclusions:
- The comorbidity of epilepsy and ADHD is associated with significantly worse sleep quality than either condition alone.
- Sleep problems in epilepsy-ADHD are more severe, particularly concerning sleep onset and anxiety.
Aims:
Attention-deficit hyperactivity disorder (ADHD) is a frequent comorbidity in pediatric epilepsy. Although sleep problems are commonly reported in both children with primary ADHD and epilepsy, those with epilepsy-ADHD comorbidity have not been well studied. This study aimed to compare sleep problems among three groups of children: 1) children with epilepsy, 2) children with epilepsy and ADHD (epilepsy-ADHD), and 3) children with primary ADHD.
Methods:
53 children with epilepsy, 35 children with epilepsy-ADHD, and 52 children with primary ADHD completed the Children's Sleep Habits Questionnaire (CSHQ). Neurology clinic charts were reviewed for the epilepsy-related variables. ADHD subtypes were diagnosed according to the DSM-IV.
Results:
Children with epilepsy-ADHD had the highest CSHQ total scores, while children with primary ADHD had higher scores than those with epilepsy. Besides the total score, epilepsy-ADHD group differed from the primary ADHD and epilepsy groups with higher CSHQ subscores on sleep onset delay and sleep anxiety. The frequency of moderate-severe sleep problems (CSHQ>56) was 62.9% in children with epilepsy-ADHD, while it was 40.4% and 26.4% in children with primary ADHD and epilepsy, respectively. CSHQ total scores were not different between ADHD subtypes in both children with epilepsy-ADHD and those with primary ADHD. None of the epilepsy-related variables were found to be associated with CSHQ scores.
Discussion:
Epilepsy-ADHD is associated with a significantly poor sleep quality which is beyond that of primary ADHD and epilepsy.
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