Does breakfast type affect thinking in early or late risers?
This study tests how the glycemic index (how fast a food raises blood sugar) of breakfast affects memory and focus. It compares people who naturally wake early versus late, to see if the ideal breakfast depends on your body clock.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You must have already participated in the GlyCoBrain observational study.
- You are either a very early riser or a very late riser (the earliest and latest sleep times in the study).
- You are willing to eat a standard dinner the night before each test day.
- You are willing to avoid smoking or cannabis during the intervention days.
- Your body mass index (BMI) is between 18.5 and 30.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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