Dr. Lagos: Moderate caffeine doesn't impact HRV, but five-plus cups harms performance
Dr. Leah Lagos · Dr. Leah Lagos and Joe Mazzulla: Control Your Heart, Conquer Your Stress · Sep 19, 2023 · at 8:47
Clinical psychologist Dr. Leah Lagos evaluates how varying dosages of caffeine affect autonomic regulation and heart rate variability.
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“Two cups of coffee for most people doesn't have a huge impact on heart rate variability such that if you're a performer and you have a competition, I would, I wouldn't say that having two cups of coffee is really going to impact you. Having five cups or more seems to have an impact, ah, on that very day's performance.”
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