Why Do We Feel Sleepy After Rice

The article points out that feeling sleepy after eating rice is not a sign of a health problem but a normal physiological response caused by the effect of carbohydrates on hormone levels. Carbohydrates stimulate insulin secretion, which facilitates the transport of tryptophan into the brain, where it contributes to the production of serotonin and melatonin—agents involved in sleep regulation. The large size of the meal and the consumption of white rice, which raises blood sugar quickly, both contribute to increased drowsiness. In contrast, brown rice and foods with a lower glycemic index help stabilize energy levels. To reduce post-lunch fatigue, it is recommended to eat rice with sources of protein and fiber, watch portion sizes, avoid lying down immediately after eating, and maintain light activity.

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