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ArticleTrials2024

Effects of cognitive behavioural therapy and bright light therapy for insomnia in youths with eveningness: study protocol for a randomised controlled trial.

Shirley Xin Li, Forrest Tin Wai Cheung, Ngan Yin Chan, Joey Wing Yan Chan, Jihui Zhang, Albert Martin Li, Colin A Espie, Michael Gradisar, Yun-Kwok Wing

Registry-linked trialOpen access · goldAbstract readClinical Trial Protocol
PubMed Full text at PMC Publisher
In one paragraph

Article in Trials, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04256915 (A Randomised Controlled Trial of the Effects of Cognitive Behavioural Therapy and Bright Light Therapy for Insomnia in Adolescents With Evening Chronotype), which is not on this map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
2.0field-weighted citation impact, top 14% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT04256915 naunknown statusnot on this map

A Randomised Controlled Trial of the Effects of Cognitive Behavioural Therapy and Bright Light Therapy for Insomnia in Adolescents With Evening Chronotype

TypeinterventionalSponsorThe University of Hong KongRan2023 to 2025Enrolled150ConditionsInsomnia, Delayed Sleep PhaseArmsCognitive Behavioural Therapy for Insomnia (CBT-I) + Bright Light Therapy, Cognitive Behavioural Therapy for Insomnia (CBT-I) + Placebo Light Therapy
3 · Its place in the literature

Who cites it

3 citing papers in PubMed, 4 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 4 institutions in 2 countries.

Shirley Xin Li *Department of Psychology, Sleep Research Clinic and Laboratory, The University of Hong Kong, Pokfulam, Hong Kong SAR, China. shirley.li@hku.hk.ORCID http://orcid.org/0000-0002-7085-1850
Forrest Tin Wai Cheung *Department of Psychology, Sleep Research Clinic and Laboratory, The University of Hong Kong, Pokfulam, Hong Kong SAR, China.
Ngan Yin ChanLi Chiu Kong Family Sleep Assessment Unit, Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China.
Joey Wing Yan ChanLi Chiu Kong Family Sleep Assessment Unit, Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China.
Jihui ZhangLi Chiu Kong Family Sleep Assessment Unit, Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China.
Albert Martin LiDepartment of Paediatrics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China.
Colin A EspieNuffield Department of Clinical Neurosciences and Sleep and Circadian Neuroscience Institute, University of Oxford, Oxford, UK.
Michael GradisarWINK Sleep Pty Ltd, Adelaide, Australia.
Yun-Kwok WingLi Chiu Kong Family Sleep Assessment Unit, Department of Psychiatry, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China.
Chinese University of Hong Kong · HKHKU-Pasteur Research Pole · HKUniversity of Hong Kong · HKUniversity of Oxford · GB

Funding

University Grants Committee 17608918
6 · The paper itself

Abstract

backgroundInsomnia and eveningness are common and often comorbid conditions in youths. While cognitive behavioural therapy for insomnia (CBT-I) has been suggested as a promising intervention, it remains unclear whether it is sufficient to also address circadian issues in youths. In addition, despite that light has been shown to be effective in phase-shifting one's circadian rhythm, there has been limited data on the effects of bright light therapy and its combination with CBT-I on sleep and circadian outcomes in youths. The current protocol outlines a randomised controlled trial that examines the efficacy of CBT-I and CBT-I plus bright light therapy (BLT) in reducing insomnia severity, improving mood symptoms and daytime functioning (e.g. sleepiness, fatigue, cognitive function), and improving subjective and objective sleep and circadian measures compared to a waitlist control group.

methodsWe will carry out a randomised controlled trial (RCT) with 150 youths aged 12-24 who meet the criteria of insomnia and eveningness. Participants will be randomised into one of three groups: CBT-I with bright light therapy, CBT-I with placebo light, and waitlist control. Six sessions of CBT-I will be delivered in a group format, while participants will be currently asked to use a portable light device for 30 min daily immediately after awakening throughout the intervention period for bright light therapy. The CBT-I with light therapy group will receive bright constant green light (506 lx) while the CBT-I with placebo light group will receive the modified light device with the LEDs emitting less than 10 lx. All participants will be assessed at baseline and post-treatment, while the two active treatment groups will be additionally followed up at 1 month and 6 months post-intervention. The primary outcome will be insomnia severity, as measured by the Insomnia Severity Index. Secondary outcomes include self-reported mood, circadian, daytime functioning, and quality of life measures, as well as sleep parameters derived from actigraphy and sleep diary and neurocognitive assessments. Objective measures of the circadian phase using dim-light melatonin onset assessment and sleep parameters using polysomnography will also be included as the secondary outcomes. DISCUSSION: This study will be the first RCT to directly compare the effects of CBT-I and BLT in youths with insomnia and eveningness. Findings from the study will provide evidence to inform the clinical management of insomnia problems and eveningness in youths.

trial registrationClinicalTrials.gov NCT04256915. Registered on 5 February 2020.

Indexed as

Cognitive Behavioral TherapySleep Disorders, Circadian RhythmSleep Initiation and Maintenance DisordersAdolescentHumansPhototherapyRandomized Controlled Trials as TopicSleepTreatment OutcomeAdolescentChronotypeCognitive behavioural therapyEveningnessInsomniaLightSleepYouth

Identifiers

PMID38594725
PMCPMC11005158
OpenAlexW4394621960

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.