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Updated: Sep 1, 2025

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Published on: May 27, 2021
Sleep disturbances and sleep patterns in children with tic disorder: A case-control study
Yunhui Mi1, Runzhi Zhao2, Xiaoning Sun3
1Department of Traditional Chinese Medicine, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
Children with Tic disorder (TD) experience significantly more sleep disturbances than their peers. These sleep issues are more severe in TD patients with chronic symptoms, highlighting the need for sleep assessment in treatment.
Area of Science:
- Pediatric Neurology
- Sleep Medicine
- Child Psychiatry
Background:
- Sleep disturbances are common in children but understudied in Tic disorder (TD).
- Understanding sleep patterns in TD is crucial for comprehensive care.
Purpose of the Study:
- To characterize sleep disturbances and patterns in children with TD.
- To investigate the association between sleep issues and TD severity and types.
Main Methods:
- A case-control study involving 271 children with TD and 271 controls.
- Sleep patterns assessed using the Children's Sleep Habits Questionnaire (CSHQ).
- TD severity and types evaluated with the Yale Global Tic Severity Scale (YGTSS).
Main Results:
- Children with TD showed significantly higher CSHQ scores, indicating worse global sleep disturbance.
- TD children had increased risks for various sleep disturbances, including bedtime resistance, sleep onset delay, and parasomnias.
- Mild, moderate, and chronic TD, including Tourette Syndrome, were associated with more pronounced sleep disturbances.
Conclusions:
- Children with TD face a high risk of sleep disturbances, particularly those with severe or chronic symptoms.
- Comorbid ADHD further exacerbates sleep problems in children with TD.
- Integrating sleep assessments into TD management is essential for improving patient outcomes.
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