To define the role of cognitive behavioural therapy for insomnia (CBTi) on all forms of insomnia. This will include analysis of the components of CBTi (including relaxation, sleep hygiene, sleep restriction and stimulus control) as well as the differential effects on different patient groups and effects on different subtypes of insomnia.
Searches
Restrictions: adult humans (no limitation by language or publication period planned).
Sources: MEDLINE, EMBASE, PsycINFO, CINAHL and Web of Science.
Types of study to be included
Randomised controlled trials assessing the above interventions in the above patient group for the above condition.
Condition or domain being studied
Insomnia (all forms, subtypes will be considered).
Participants/ population
Adult humans.
Intervention(s), exposure(s)
Cognitive behavioural therapy, including sleep restriction, sleep hygiene, relaxation and stimulus control.
Comparator(s)/ control
All comparators will be considered, including placebo therapy and medical therapy.
Outcome(s)
Primary outcomes
Sleep diary based assessments of total sleep time (TST).
Unrestricted.
Secondary outcomes
Other effect measures include sleep diary based measures of sleep onset latency, sleep efficiency and wake after sleep onset. Sleep specific symptom scales, polysomnography results and overall quality of life scores will be considered.
Unrestricted.
Data extraction, (selection and coding)
Investigators JT and DC will examine all abstracts to determine whether inclusion criteria are met. Discrepancies will be determined by the third investigators. All data for endpoints as defined above will be extracted.
Risk of bias (quality) assessment
We propose to use the approach of the Cochrane Handbook for Systematic Reviews of Interventions for this component of the analysis.
Strategy for data synthesis
Aggregate data will be used. Quantitative techniques will be employed, using RevMan v5 software and/or Stata v11.0.
Analysis of subgroups or subsets
The differential effects on subgroups will be considered, particularly the subsets that have been specifically studied in recent trials.
Contact details for further information
James Trauer
Melbourne Sleep Disorders Centre
Suite 508, Level 5
100 Victoria Parade
East Melbourne 3002
Australia
james@msdc.com.au
Organisational affiliation of the review
Melbourne Sleep Disorders Centre
http://www.msdc.com.au/
Review team
Dr James Trauer, Melbourne Sleep Disorders Centre Dr David Cunnington, Melbourne Sleep Disorders Centre Professor Shanthakumar Rajaratnam, Monash University Dr Anish Sachdev, Melbourne Sleep Disorders Centre
Anticipated or actual start date
28 August 2012
Anticipated completion date
08 February 2013
Funding sources/sponsors
None
Conflicts of interest
None known
Language
English
Country
Australia
Subject index terms status
Subject indexing to be assigned
Subject index terms
Cognitive Therapy; Humans; Sleep Initiation and Maintenance Disorders
Date of registration in PROSPERO
28 August 2012
Date of publication of this revision
28 March 2013
Stage of review at time of this submission
Started
Completed
Preliminary searches
No
Piloting of the study selection process
Formal screening of search results against eligibility criteria
Data extraction
Risk of bias (quality) assessment
Data analysis
Prospective meta-analysis
PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. CRD bears no responsibility or liability for the content of this registration record, any associated files or external websites.
