Assessment of the Psychometric Properties of the Holland Sleep Disorders Questionnaire in the Iranian Population

<div>The six-factor model of the HSDQ in the Iranian population standard. CRSD: Circadian rhythm sleep disorders, RLS: restless legs syndrome, PLMD: periodic limb movement disorder; SDB: sleep-disordered breathing; HGDQ: Holland Sleep Disorders Questionnaire.</div>

Sleep Disorders

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Figure 2

Figure 2: Assessment of the Psychometric Properties of the Holland Sleep Disorders Questionnaire in the Iranian Population 