Breakfast helped attention and memory most in children who needed it most
A systematic review of 45 studies of breakfast and cognitive performance
Reviewed by Sian Trombley, CCCFounder, Thrive Family Company
Moderate confidence
Source citation
Hoyland A., Dye L., Lawton C. L. (2009). A systematic review of the effect of breakfast on the cognitive performance of children and adolescents. Nutrition Research Reviews. https://doi.org/10.1017/S0954422409990175
Published 1 January 2009 · Added to Thrive 26 July 2026 · Reviewed 26 July 2026
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Breakfast advice is everywhere. The evidence is more specific — and more useful — than 'the most important meal of the day'.
Published research findings
The study
Hoyland and colleagues reviewed 45 studies of breakfast consumption and cognitive performance in school-aged children.
What researchers examined
Effects on attention, memory and school performance, and whether benefits varied by nutritional status.
What they found
Breakfast showed the clearest benefits for attention and memory tasks, with the largest effects in undernourished children. Effects in well-nourished children were smaller and less consistent.
Thrive editorial interpretation
What this may mean for families
Breakfast is worth protecting, particularly on demanding school days, without turning it into a battle.
What this doesn't tell us
Important limitations
Studies varied in design, breakfast composition and outcome measures.
Evidence confidence describes how much weight this study's design can carry — not how strongly the finding applies to any individual child or family.
Therapist perspective — Thrive interpretation, not a finding of the study
Therapist Perspective
Something eaten calmly beats a nutritionally perfect breakfast eaten in an argument.
Practical family considerations
Prioritise a calm breakfast on demanding days.
This research summary is educational and does not replace individualized medical, psychological or therapeutic advice.
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Children accepted a new vegetable after repeated, low-pressure tastes
2003 · Randomized controlled trial
Moderate confidence
Why it matters
Repetition without pressure is the mechanism. Bribery is not required, and may backfire.