Insomnia disorder
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Adults aged 18 years or older 2. Resident in the United Kingdom 3. Able to access and complete an online survey in English 4. Occupation may include employee or learner/student (18+ years)
Exclusion criteria
Exclusion criteria: 1. Individuals under the age of 18 years 2. Non-UK participants, identified through IP address location at survey entry 3. Incomplete survey responses (missing core outcome data)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Proportion of participants at high risk of insomnia, measured using the Insomnia Severity Index (ISI; score =15), assessed once at baseline (on survey completion). 2. Proportion of participants at high risk of obstructive sleep apnoea, measured using the STOP-Bang questionnaire (score =5), assessed once at baseline (on survey completion). | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Proportion of participants at risk of comorbid insomnia and sleep apnoea (COMISA), defined by ISI score =15 and STOP-Bang score =3, assessed once at baseline (on survey completion). 2. Functional impairment due to sleepiness, measured using the Functional Outcomes of Sleep Questionnaire (FOSQ-10), assessed once at baseline (on survey completion). 3. Comparison of sleep disorder risk prevalence across subgroups (occupation, sex, BMI, recruitment channel, and geographic region), assessed once at baseline (on survey completion). 4. Geographic distribution of risk categories, analysed by the first three digits of participant postcodes, assessed once at baseline (on survey completion). | — |
Countries
England, United Kingdom