Sleep Related Questionnaires

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Cleveland Adolescent Sleepiness Questionnaire (CASQ)

Name of questionnaire Cleveland Adolescent Sleepiness Questionnaire (CASQ)
Type of questionnaire-description,age Self-administered instrument. Measures daytime sleepiness in ages 11-17 years.
Number of items 16 items
Number of domains & categories 2
Name of categories/domains Degree of sleepiness - 11 questions (sleep in school, sleep in evening, sleep in transport)
Degree of alertness - 5 questions (alert in school)
Scaling of items 1 to 5 (Likert-type responses)
Scoring available: with permission or free No scale; The higher scores denoted greater sleepiness. Total scores on the CASQ were negatively correlated with objective measure of sleep duration.
Scoring test-retest reliability Not reported
Scoring internal consistency Yes (Cronbach's α = 0.89)
Validity Construct validity: results correlated well with 2 other well established sleep questionnaires - School Sleep Habits Survey and Pediatric Daytime Sleepiness Scale. Weakly associated with PSG findings
Language English
Translations in other languages (if yes, then list the languages) Brazilian Portuguese3
Developer name James C. Spilsbury, PhD, MPH
Developer contact information James C. Spilsbury, PhD, MPH
Center for Clinical Investigation
Dept. of Epidemiology & Biostatistics
Case School of Medicine
Iris S. & Bert L. Wolstein Building
2103 Cornell Rd., Room 6127
Cleveland, OH 44106-7291
phone: (216) 368-7559
fax: (216) 368-0207
E-mail: jcs5@case.edu
Availability of questionnaire: needs permission from developer, cost or freely available Freely available (appendix to the reference given below).  Contact author prior to use.
Limitations Enrollment issues may have led to a non-representative range of normal sleep behavior. No objective measures of sleepiness utilized (e.g. MSLT).
Link to the questionnaire (if available) Appendix of the reference given below1
Other comments Very easy to administer, may be used in conjunction with objective testing of pediatric sleep disordered breathing and daytime sleepiness. 
CASQ scores were significantly correlated with age, sleep debt and sleep duration. 
Offers a visual aspect to answer choices.
Patient populations in who questionnaire has been validated Middle school and high school age children1, children with sleep disordered breathing1, children with asthma2
References (original publication)
  1. Spilsbury JC, Drotar D, Rosen CL, Redline S. The Cleveland Adolescent Sleepiness Questionnaire: A New Measure to Assess Excessive Daytime Sleepiness in Adolescents. J Clin Sleep Med 2007; 3(6):603-612.
  2. Li Z, Huang IC, Thompson L, Tuli S, Huang SW, DeWalt D, Revicki D, et al. The relationships between asthma control, daytime sleepiness, and quality of life among children with asthma: a path analysis.  Sleep Med. 2013 Jul;14(7):641-7.
  3. De Souza Vilela T, Bittencourt LR, Tufik S, Moreira GA. Factors influencing excessive daytime sleepiness in adolescents.  J Pediatr (Rio J). 2016 Mar-Apr;92(2):149-55.
  4. John B, Bellipady SS, Bhat SU. Sleep promotion program for improving sleep behaviors in adolescents: a randomized controlled pilot study. Scientifica (Cairo). 2016;2016;8013431. Epub 2016 Mar 20.
  5. Lewandowski AS, Toliver-Sokol M, Palermo TM. Evidence-based review of subjective pediatric sleep measures. J Pediatr Psychol. 2011 Aug;36(7):780-93.
Updated by Hanna Hong
The last date of update 8/4/2016
Last Reviewed: October 2016