The Study
A pilot study assessing whether the consumption of a protein‐rich breakfast improves appetite control, eating behavior, and sleep quality compared to skipping breakfast in healthy young professionals
This study tried two different breakfast rules on 13 young adults and saw what happened. It found that eating a protein breakfast made them feel less hungry — that’s pretty clear. But for other things like sleeping better or eating less, it’s not super sure. So we can say it probably helps with hunger, but we can’t say it definitely fixes sleep or stops overeating.
Analysis score
Maximum 90 for a randomized controlled trial.
Where the score came from
Eating a protein-rich breakfast makes your tummy feel fuller longer, so you eat less food during the day — but you also sleep about 36 minutes less, even though your sleep feels just as good.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 546 / 100
Quality score
Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Yes — eating less food may help weight control, but sleeping less daily could affect energy or health long-term, even if sleep quality feels fine.
- 21.
- 3Ate 420 fewer calories per day (1831 vs 2251 kcal).
- 42.
- 5Slept 36 minutes less (381 vs 417 min).
- 63.
- 7Felt less hungry and less desire to eat.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
The FASEB Journal
Year
2017
Authors
Jess A Gwin, H. Leidy
Related Content
Claims (10)
Eating a high-protein breakfast might make people feel a bit fuller during the day, but the evidence isn't strong enough to be sure.
People who eat a high-protein breakfast sleep about 36 minutes less per night than when they skip breakfast, but the quality of their sleep doesn't change.
Even though people slept less after eating a high-protein breakfast, they didn't wake up more often or have worse sleep quality — their sleep was just shorter.
After eating a high-protein breakfast, people didn’t eat more protein later — they just ate less carbs and fat.
The benefits of a high-protein breakfast on hunger and eating habits only showed up after eating it every day for a week — one meal wasn’t enough.
Eating a high-protein breakfast made people sleep less, but they felt like they slept better and fell asleep faster — even though their actual sleep quality didn’t change.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.