Table 1.
Self-reported and fast questionnaires often used to measure sleep disturbances
| Scale | Contents | Applicable in |
|---|---|---|
| Pittsburgh sleep quality index (PSQi) | 19 items within seven domains. Measures retrospective sleep quality and disturbances over a 1-month period | Primarily used in psychiatry and insomnia disorders |
| The European organization for research and treatment of cancer (EORTC) quality of life questionnaire (EORTC-QLQ-C30) | 30 items in five functional measures: physical, role, emotional, social, and cognitive | Used in cancer research and measures health related quality of life (HRQOL) |
| Medical outcomes study (MOS) sleep scale | 12 items which measures sleep in 6 domains: initiation, quantity, maintenance, respiratory problems, perceived adequacy, somnolence | Patients with chronic disorders such as primary care, congestive heart failure and cancer populations |
| Functional outcomes of sleep questionnaire (FOSQ) | 30-item questionnaire and a short version of 10 items. Contains 6 domains about general productivity, activity level, vigilance, social outcomes, and intimacy and sexual relationships | Often used in research and in clinical practice to measure the impact of daytime sleepiness on activities of daily living |
| Morningness-eveningness questionnaire (MEQ) | 19 items related to sleep preferences and at what time the patients would like to carry out different activities | Used broadly in both healthy and patient populations |
| Munich chronotype questionnaire | 7 questions to examine wake and sleep schedules (on both work and free days) to provide information about the individual’s circadian clock | Used broadly in both healthy and patient populations |
| The sleep timing questionnaire (STQ) | It is a diary for 7 days to assess the sleep pattern and sleepiness during the week | Useful in palliative care research and to assess the effect of therapies |
| Epworth sleepiness scale (ESS) | 8 questions to assess daytime fatigue and the likelihood that a person will suffer from a sleep disorder | Used in outpatient care, in clinical practice, and in research |
| Stanford sleepiness scale even called for "Alertness Test" | 1 item asking how sleepy the patient feels | Used for frequent resampling or in situations where simple and fast answers are needed |
| Insomnia severity index (ISI) | 7 items to assess the type, severity, and impact of insomnia | Used to monitor response to sleep therapy in adults including cancer patients with insomnia |