About this trial
This randomized controlled trial will test the efficacy of CBT-I intervention for school-aged children (7-11 years old) with insomnia. The trial will focus on the role of sleep restriction therapy in treatment. Children will be randomized to one of three groups: (1) CBT-I; (2) CBT-I without SRT; or (3) a waitlist control group. Assessments will occur at baseline, mid-treatment, post-treatment, and a 3-month follow up. Some measures (e.g., child motivation) will also be assessed after each therapy session. Insomnia and sleep-wake patterns will be assessed objectively using actigraphy, and subjectively using sleep diaries, a clinical diagnostic interview, and questionnaires. Parent and child questionnaires will be administered to assess moderators and mediators of treatment outcomes.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Child aged 7-11 years
Parents aged over 18 years
Child meets the International Classification of Sleep Disorders - Third Edition (ICSD-3) criteria for chronic insomnia disorder with sleep difficulties occurring at least 3 times a week and lasting at least 3 months (Insomnia diagnosis will be determined during a clinical interview).
Disqualifiers
Child receiving concurrent CBT treatment for sleep or anxiety disorders.
Child diagnosed with a medical sleep problem (e.g., OSA, RLS)
Significant health or neurodevelopmental problems (e.g., intellectual disability)
Current psychotropic medications, or sleep aid medications
Trial design
Parallel
Treatments tested in this trial
Cognitive Behavioral Therapy for Insomnia
BehavioralCBT-I intervention will include four 45-60 minute sessions with a clinician. The sessions will include CBT-I components such as sleep psychoeducation, bedtime routines and sleep hygiene, graduated exposure, cognitive restructuring, and SRT in one of the intervention groups. The protocol is based on previous studies of CBT-I for school-aged children.
Cognitive Behavioral Therapy for Insomnia without SRT
BehavioralThis intervention will include four 45-60 minute sessions with a clinician. The sessions will include CBT-I components such as sleep psychoeducation, bedtime routines and sleep hygiene, graduated exposure, and cognitive restructuring. Sleep Restriction Therapy will not be included in the intervention. The protocol is based on previous studies that delivered CBT-I to school-aged children.
Treatment groups
Trial outcomes
Primary outcomes
Clinical assessment of child insomnia
A structured interview with the child and parents will be conducted at both baseline and post-treatment by a blind clinical assessor. Based on ICSD-3 criteria, children will be diagnosed with chronic insomnia disorder if their sleep difficulties are evident on ≥3 nights per week, persisting for ≥3 months. The interview will additionally address sleep-related behaviors (e.g., reliance on parents for sleep onset), daytime consequences, and differential diagnosis. The clinical diagnosis of insomnia at baseline will serve to confirm that the child qualifies for inclusion in the trial. At post-treatment, the percentage of children no longer meeting the criteria for the disorder will be considered a primary outcome measure.
Child sleep efficiency
Sleep efficiency will be measured using actigraphy and sleep diaries completed by parents. Sleep efficiency is computed as the percent of total sleep duration out of time in bed (including sleep onset latency and any wakefulness after sleep onset).
Secondary outcomes
Child sleep duration - actigraphic
Total nighttime sleep duration will be assessed using actigraphy
Child sleep duration - parent reports
Total nighttime sleep duration will be assessed using sleep diaries completed by parents.
Child number of awakenings - actigraphic
Number of nighttime awakenings will be assessed using actigraphy.
Child number of awakenings - parent reports
The number of nighttime awakenings will be assessed using daily sleep diaries filled by parents.
Other outcomes
Child pre-sleep hyperarousal
Presleep Hyperarousal will be assessed using The Pre-Sleep Arousal Survey for Children (PSAS-C), administered to the child by clinicians.
Parental accommodation score (FASS-PR)
Both parents will complete The Family Accommodation Scale for Sleep- Parent Report (FASS-PR), and a total score will be computed, with higher scores indicating greater parental accommodation.
Parental accommodation - Kalhish Questionnaire
Both parents will complete The Kalhish Questionnaire, measuring parental cognitions regarding child's anxiety. A total score will be computed, with higher scores indicating more parental cognitions endorsing accommodation.
Child externalizing and internalizing symptoms
Child behavioral problems will be assessed using the Strengths and Difficulties Questionnaire (SDQ), parent version.
Sponsors and contacts
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Tel Aviv University
Lead sponsor
Israel Science Foundation
Collaborator