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.

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Evidence from Studies

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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

Randomized Controlled Trial

Human

People who ate a high-protein breakfast slept about 36 minutes less than when they skipped breakfast, but they still slept just as well—meaning they didn’t feel more tired, even though they slept less.

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No contradicting evidence found

Source 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

Score: 46

DOI: 10.1096/fasebj.31.1_supplement.443.1

Similar Assertions

People who eat a high-protein breakfast might feel like they fell asleep faster and slept better, but the numbers aren't strong enough to say for sure.

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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.

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Even though people slept less after eating a high-protein breakfast, their sleep was just as deep and uninterrupted — they just went to bed and woke up earlier.

87%

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.

83%

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.

80%