Insomnia disorder Nervous System Diseases Disorders of initiating and maintaining sleep [insomnias]
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. A positive screen for probable DSM-5 insomnia disorder 2. A test score of =16 on the Sleep Condition Indicator 3. Being aged 18 or older (no upper age limit) 4. Having reliable internet access at home or at work 5. Being able to read and understand English
Exclusion criteria
Exclusion criteria: We will screen for comorbid conditions and medication use at baseline but exclude only those people whose health may be considered to be unstable such as significant current symptoms of: 1. An additional sleep disorder (e.g., excessively sleepy and possible obstructive sleep apnea) 2. Psychosis or mania 3. Serious physical health concerns necessitating surgery or with prognosis <6 months 4. Those undergoing a psychological treatment programme for insomnia with a health professional 5. Habitual night shift, evening, or rotating shift-workers. We will not omit participants who take medication for sleep problems, or for any other physical or mental health problems providing they report their health to be stable.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Functional health and wellbeing: Global Health scale (PROMIS-10, Hays et al, 2009) 2. Psychological wellbeing: Warwick-Edinburgh Mental Wellbeing Scale (WEMWBS, Tennant et al, 2007) 3. Sleep-related quality of life: Glasgow Sleep Impact Index (GSII, Kyle et al 2013) All these measures will be taken at baseline, 4 weeks, 8 weeks, 24 weeks, 36 weeks and 48 weeks. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Mood: Patient Health Questionnaire (PHQ9, Kroenke, Spitzer & Williams, 2010) and Generalised Anxiety Disorder (GAD, Spitzer, Kroenke & Williams, 2006) 2. Energy: Flinders Fatigue Scale (FSS, Gradisar et al., 2007) 3. Relation satisfaction: Relation Assessment Scale (RAS, Hendrick et al., 1988) 4. Cognitive status: Cognitive Failures Questionnaire (CFQ, Broadbent, 1982) 5. Work performance and satisfaction: Work and Productivity and Activity Impairment Questionnaire (WPAI, Reilly et al., 1993) and 1 item about job satisfaction (Dolbier et al., 2005) 6. Sleepiness: Epworth Sleepiness Scale (ESS, Johns, 1991) 7. Life satisfaction (1 item, Cheung et al, 2014) 8. Sleep improvement: Sleep Condition Indicator (SCI, Espie et al, 2014) All these measures will be taken at baseline, 4 weeks, 8 weeks, 24 weeks, 36 weeks and 48 weeks. | — |
Countries
Australia, England, United Kingdom, United States of America