It is not unusual to see your HRV dip while you're eating. However, if you find that you're staying in the red and yellow for hours after your meal is done, it may be worth asking whether your diet is contributing to inflammation or other stress on your body.

Meals high in saturated or trans fats and high glycaemic carbohydrates have been found to reduce heart rate variability, in contrast with a Mediterranean diet and meals high in omega-3 fatty acids, B-vitamins, and probiotics, which have been shown to shown to benefit heart rate variability.

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