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	Scala di Valutazione Internazionale della Sindrome delle Gambe Senza Riposo	Daytime Insomnia Symptom Scale
Campo	Medicina del sonno	Medicina del sonno
Famiglia	Process / pipeline	Process / pipeline
Anno di origine	2003	2007
Ideatore	Walters, A. S., LeBrocq, C., Dhar, A., et al.	Gentili, A., Weiner, D. K., et al.
Tipo	Clinician-rated; patient-reported symptoms	Self-report
Fonte seminale	Walters, A. S., LeBrocq, C., Dhar, A., et al. (2003). Validation of the International Restless Legs Syndrome Study Group rating scale for restless legs syndrome. Sleep Medicine, 4(2), 121-132.	Gentili, A., Weiner, D. K., Kuchibhatla, M., & Edinger, J. D. (2007). Factors that modify the relationship between pain and depression in older adults. Journal of the American Geriatrics Society, 55(12), 1862-1873.
Alias	IRLS, Restless Legs Syndrome Rating Scale	DISS, Daytime Insomnia Symptom Scale
Correlati	3	3
Sintesi	The IRLS is a 10-item clinician-administered rating scale designed to assess the severity of symptoms in patients with restless legs syndrome (RLS). Developed and validated by Walters and colleagues in 2003 for the International Restless Legs Syndrome Study Group, it is the most widely used disease-specific severity measure for RLS in clinical practice and research. The scale captures the cardinal features of RLS—nocturnal leg discomfort, urge to move, sleep disruption, and functional impairment—across multiple dimensions.	The Daytime Insomnia Symptom Scale (DISS) is a focused assessment tool measuring the daytime functional consequences and symptoms resulting from nighttime insomnia. Developed within research on sleep disturbance and daytime functioning, it captures the daytime manifestations of poor sleep: fatigue, concentration difficulty, mood disturbance, and functional impairment in work, social, and personal domains. The DISS is particularly valuable in quantifying the real-world impact of insomnia on daily activities and quality of life.