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Sleep Disorders Inventory for Students
Please visit this website for more information about the instrument: Sleep Disorder Screening Checklist
Exploratory: Cerebral Palsy (CP)
Short Description of Instrument

The Sleep Disorders Inventory for Students (SDIS) is a parent-report sleep screening inventory (Luginbuehl et al., 2008) designed to determine if a child or adolescent has a high probability of a major sleep disorder that requires treatment. The SDIS has separate forms for children, ages 2–10 years (SDIS-Children's Form), and adolescents, ages 11–18 years (SDIS- Adolescent Form). Both forms are completed by a parent or guardian who knows the child or adolescent's daytime and nighttime sleep habits well. The SDIS-C and SDIS-A contain 25–30 items plus 10 general health questions and can be completed in 5–10 minutes. The SDIS is designed to identify children/youtht with a high probability of a sleep disorder so they may be referred to a sleep specialist for a sleep disorder diagnosis.

Comments/Special Instructions
The SDIS should be used to screen any child/adolescent who is suspected of having sleep problems. Especially all children/teens experiencing obesity, developmental delays, school attendance problems, learning, or behavior problems should be screened for sleep disorders because research indicates that these populations are at higher risk of having a sleep disorder that may be causing or exacerbating these other problems.
The SDIS-Children's Form measures (1) Obstructive Sleep Apnea Syndrome (OSAS), (2) Periodic Limb Movement Disorder (PLMD), (3) Excessive Daytime Sleepiness (EDS), and (4) Delayed Sleep Phase Syndrome (DSPS), sometimes referred to as Behavioral Insomnia of Childhood (BIC) in younger children. The SDIS-Adolescent Form measures (1) Obstructive Sleep Apnea Syndrome (OSAS), (2) Periodic Limb Movement Disorder / Restless Legs Syndrome (PLMD/RLS), (3) Excessive Daytime Sleepiness (EDS), (4) Delayed Sleep Phase Syndrome (DSPS), and (5) Narcolepy (NARC).
The SDIS-C and SDIS-A form measures are rated on a 7-point scale:
1 = the child never exhibits this behavior; 2 = child exhibits the behavior maybe once every month or two; 3 = child exhibits the behavior 3-to-4 times per month; 4 = child exhibits the behavior several times per week; 5 = child exhibits this behavior on a daily basis; 6 = child displays behavior multiple times per day or night; 7 = child exhibits behavior multiple times per hour daily or nightly (Liginbuehl et al., 2008).
The SDIS has a content validity of 0.94, specificity of 0.82, Internal consistency of 0.91, and Test Re-test reliability of 0.97.
This measure is recommended as Exploratory for CP since it has not been validated in a CP population.
Luginbuehl M, Bradley-Klug KL, Ferron J, Anderson WM, Benbadis SR. Pediatric sleep disorders: Validation of the Sleep Disorders Inventory for students. School Psych Rev. 2008;37(3):409-431.
Luginbuehl M, Kohler WC. Screening and evaluation of sleep disorders in children and adolescents. Child Adolesc Psychiatr Clin N Am.
Spruyt K, Gozal D. Pediatric sleep questionnaires as diagnostic or epidemiological tools: a review of currently available instruments. Sleep Med Rev. 2011;15(1):19-32.


Document last updated April 2020