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Version 1.1 – Updated August 2021

Lack of sleep

Overview

  • Influence: Lack of sleep
  • Domain: Student
  • Sub-Domain: Physical influences
  • Potential to Accelerate Student Achievement: Likely to have a negative impact
  • Influence Definition: The typical claim is that insufficient or poor-quality sleep negatively affects learning, memory, and school performance.

Evidence

  • Number of meta-analyses: 4
  • Number of studies: 107
  • Number of students: 72,814
  • Number of effects: 107
  • Effect size: -0.02

Meta-Analyses

Meta-Analyses
Journal Title Author First Author's Country Article Name Year Published Variable Number of Studies Number of Students Number of Effects Effect Size
Sleep Medicine Reviews Dewald, Meijer, Oort, Kerkhof & Bogels Netherlands The Influence of Sleep Quality, Sleep Duration, and Sleepiness on School Performance in Children and Adolescents: A Meta-Analytic Review 2010 Sleep quality, duration & sleepiness 26 48,360 26 0.01
Psychological Bulletin Astill, Van der Heijden, van IJzendoorn & Van Someren Netherlands Sleep, cognition, and behavioral problems in school-age children: A century of research meta-analyzed 2012 Sleep on achievement 52 24,454 52 0.12
Pediatrics Galland, Spruyt, Dawes, McDowall, Elder, & Schaughency New Zealand Sleep Disordered Breathing and Academic Performance: A Meta-Analysis 2015 Sleep disorder 18 0 18 -0.29
Musshafen, L. A., Tyrone, R. S., Abdelaziz, A., Sims-Gomillia, C. E., Pongetti, L. S., Teng, F., ... & Reneker, J. C. (2021). Associations between Sleep and Academic Performance in US Adolescents: A Systematic Review and Meta-Analysis. Sleep Medicine. Musshafen, Tyrone, Abdelaziz, Sims-Gomillia, Pongetti, Teng, Fletcher & Reneker USA Associations between Sleep and Academic Performance in US Adolescents: A Systematic Review and Meta-Analysis 2021 Sleep duration 11 0 11 0.06
TOTAL/AVERAGE 107 72,814 107 -0.02

Confidence

The Confidence is the average of these four measures, each divided into five approximately equal groups and assigned a value from 1 to 5 based on the following criteria:

  • Number of Meta-analyses
    • 1 = 1
    • 2 = 2–3
    • 3 = 4–6
    • 4 = 7–9
    • 5 = 10+
  • Number of Studies
    • 1 = 1–10
    • 2 = 11–50
    • 3 = 51–200
    • 4 = 201–400
    • 5 = 400+
  • Number of Students
    • 1 = 1–2,500
    • 2 = 2,501–10,000
    • 3 = 10,000–20,000
    • 4 = 20,000–100,000
    • 5 = 100,001+
  • Number of Effects
    • 1 = 1–100
    • 2 = 101–300
    • 3 = 301–600
    • 4 = 601–1,200
    • 5 = 1,200+
Confidences
Number of Meta-Analyses Number of Studies Number of Students Number of Effects Overall Confidence
Confidence Factor 3 3 4 2 3
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