A validated questionnaire or structured tool used to estimate symptoms, burden, or risk within a defined sleep domain. A screening result organizes the next question; it does not independently diagnose a sleep disorder.
A sleep screening instrument is designed to identify people who may warrant further assessment, quantify a defined symptom domain, or track change over time. Its meaning depends on the population, recall period, scoring rules, and outcome for which it was validated. Different instruments answer different questions. PSQI assesses broad sleep quality over one month. ASSQ addresses athlete-specific sleep difficulty. ESS evaluates daytime sleepiness. STOP-Bang estimates obstructive sleep-apnea risk. ISI assesses perceived insomnia severity and impact. A validated score should not be modified casually, combined with unrelated scales, or extended beyond its intended domain. A screening instrument does not replace a clinical history, examination, or diagnostic sleep test. Sleepgenic treats screening instruments as official external tools at the Clinical Signal Boundary. It describes purpose and limitations, links to the canonical owner or distributor, respects licensing, and does not reproduce copyrighted questions or create a composite Sleepgenic diagnosis.
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