“…23,24,20 In addition to them, two different Sleep Questionnaires were also identified, [18][19] along with the Epworth Sleepiness Scale (ESS), 16 the Sleep Habits Questionnaire, 25 the Cleveland Adolescent Sleepiness Questionnaire (CASQ), 21 the Sleep Habits Questionnaire 22 and the Sleep Disturbance Scale for Children (SDSC). 17 The studies by Andrade et al, 18 Boscolo et al, 19 Souza et al, 16 Beijamini et al, 23 Beijamini et al, 24 Felden et al, 25 Fischer et al, 20 Felden et al, 27 Vilela et al, 21 Del Ciampo et al, 22 Felden et al, 28 Meyer et al, 29 Almondes et al 17 and Felden et al 30 did not present reliability criteria (Cronbach), 14 while the studies by Felden et al 26 and Ferrari Junior et al 31 pointed out the alpha value. The Cronbach's alpha coefficient 14 was presented for PDSS in the studies by Felden et al 26 (coefficient value = 0.784) and by Ferrari Junior et al 31 (coefficient value = 0.737), however no studies confirmed the reliability or the validity of KSS, Sleep Questionnaires, ESS, Sleep Habits Questionnaire, CASQ, SDSC and the Sleep Habits Questionnaire for Brazilian Children and Adolescents.…”