富含蛋白质的食物难以消化，所以睡前应戒除高蛋白质小吃，而选择一杯温牛奶或像饼干这样一些有助睡眠的睡前碳水化合物食品。

Protein-rich foods are harder to digest. So skip the high-protein snack before bedtime and opt for a glass of warm milk or some sleep-friendly carbs, like crackers.

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同时，这种牛奶还富含有营养的蛋白质。

At the same time, it is richer in nutritious proteins.

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这是因为牛奶富含抗氧化剂，维生素B2和B12，以及蛋白质和钙。

That's because milk is high in antioxidants, vitamins B2 and B12, as well as protein and calcium.

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