Insomnia 100 sleep study: Profiling of Insomnia disorder in a sample of 100 participants

Not Applicable

Completed

• Conditions: Insomnia Disorder; Mental Health - Other mental health disorders

• Registration Number: ACTRN12612000049875
• Lead Sponsor: niversity of Sydney

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2012-01-11
• Study Completion: 2014-08-29
• Last Update Posted: 9 August 2022

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 100

Inclusion Criteria

1. Symptoms of Insomnia Disorder as diagnosed by the Diagnostic and
Statistical Manual of Mental Disorders, Fifth Edition criteria for insomnia
disorder (APA, 2013) specifically: Difficulty initiating or maintaining sleep or
waking up too early for at least 3 nights per week, for at least 3 months,
with adequate opportunity and circumstances for sleep
2. Stable sleep/wake schedule with no shift work
3. Able to give informed, written consent
4. Fluent speaker of English
5. Referred by a sleep physician to have a routine sleep study as part of Medicare

Exclusion Criteria

1. Active illicit substance use or alcohol dependence
2. Psychiatric disorders, other than mild to moderate depression (on the Depression Anxiety Stress Scales)
3. Previous history of depressive episode
4. Sleep disorders (other than insomnia)
5. Learning disabilities
6. Dementia
7. Neurological problems
8. Pregnancy or lactation

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
The primary objective of this study is to determine whether there are observable physiological and neurocognitive differences within different subtypes of insomnia disorder sufferers (sleep onset insomnia, sleep maintenance insomnia, early morning awakenings insomnia, and mixed insomnia).[During the 12 hour overnight sleep assessment]

Secondary Outcome Measures

Name	Time	Method
To investigate potential correlations between questionnaire response data and overnight sleep study results with regards to insomnia sub-type. Allowing us to further understand the differences within subtypes of insomnia disorder.[During the 12 hour overnight sleep assessment];Predictors of treatment success: we will evaluate which subtypes of insomnia respond best to treatment by correlating their treatment outcome with their insomnia subtype.[Post treatment]