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Background
This is a survey to understand sleep in the context of medical trainees (on call) and the participants knowledge about the relevance of sleep, shiftwork, and the impact that sleep may have on their working performance. The survey has been developed by sleep experts from America, Europe, and Africa, in collaboration with the World Sleep Society. It should take about 30-40 minutes to complete.
The survey will focus on three different aspects, complemented by two standard questionnaires:
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Medical staff | Anyone who works in medicine with any on call commitment (student, intern, fellow, resident, consultant) |
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| Measure | Description | Time Frame |
|---|---|---|
| Impact of being ON CALL in the hospital on sleep | Composite outcome as described by deviation from regular sleep in terms of sleep quality (points, out of 10; higher scores indicating more symptoms), quantity (duration, hours:mins), and deviation from circadian rhythm (measured in times of the day and duration, as well as perceived disturbance, points out of 10; higher points indicating more symptoms) | cross-sectional survey (while filling in the questionnaire); experience within 3 months of completion |
| Measure | Description | Time Frame |
|---|---|---|
| Demographics | Basic demographics, family status/children | within 3 months of completion of survey |
| Sleep routine | Sleep routine while ON CALL / not ON CALL (bed time, hours:mins; wake up time, hours:mins) |
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Inclusion Criteria:
Exclusion Criteria:
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Medical staff that undertakes on call work (medical student, intern, fellow, resident, consultant)
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Kings College London | London | SE1 7EH | United Kingdom |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 37777291 | Background | Lim DC, Najafi A, Afifi L, Bassetti C, Buysse DJ, Han F, Hogl B, Melaku YA, Morin CM, Pack AI, Poyares D, Somers VK, Eastwood PR, Zee PC, Jackson CL; World Sleep Society Global Sleep Health Taskforce. The need to promote sleep health in public health agendas across the globe. Lancet Public Health. 2023 Oct;8(10):e820-e826. doi: 10.1016/S2468-2667(23)00182-2. | |
| 40950851 |
| Label | URL |
|---|---|
| Sleep wellbeing (NHS Hospital) | View source |
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Acquired data may be subject to underlying legislation (according to country, e.g. GDPR). In reasonable cases and upon written request / following ethics committee approval data sharing for the purpose of IPD analysis will be considered case-by-case.
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| ID | Term |
|---|---|
| D012891 | Sleep Apnea Syndromes |
| D007319 | Sleep Initiation and Maintenance Disorders |
| ID | Term |
|---|---|
| D001049 | Apnea |
| D012120 | Respiration Disorders |
| D012140 | Respiratory Tract Diseases |
| D020919 | Sleep Disorders, Intrinsic |
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| within 3 months of completion of survey |
| Epworth Sleepiness Scale | Validated screening questionnaire containing eight questions related to likelihood of dozing (min score 0, max score 24 points; higher scores indicate more symptoms) | within 3 months of completion |
| Insomnia Severity Index | Validated questionnaire assessing likelihood of insomnia (7 questions, min 0 / max 28 points; higher scores indicate more symptoms) | within 3 months of completion |
| Basic knowledge and perception of sleep | Impact of work/on call on sleep (duration of sleep, hours:mins; sleep quality, points out of 10; symptoms, points out of 10; higher scores indicating more symptoms) | within 3 months of completion of survey |
| Zhang C, Spruyt K, Komolafe M, Mutschelknaus M, DelRosso LM, Steier J. Relationship between shift scheduling, sleep knowledge and sleep quality in medical trainees: protocol for a global cross-sectional survey. J Thorac Dis. 2025 Aug 31;17(8):6339-6347. doi: 10.21037/jtd-2025-291. Epub 2025 Aug 28. |
| Working hours (UK Government) | View source |
| The health, safety and wellbeing of shift workers in healthcare environments (NHS) | View source |
| Health and Safety Executive: Fatigue (UK Government) | View source |
| Tips to consider to fight fatigue at work (Association of Anaesthetists) | View source |
| D020920 |
| Dyssomnias |
| D012893 | Sleep Wake Disorders |
| D009422 | Nervous System Diseases |
| D001523 | Mental Disorders |