Is it good to drink milk before bed? As part of a healthy diet, enjoying milk, cheese or yogurt before bed might help you sleep better. Additionally, research suggests the antioxidant and anti-inflammatory components in milk and other dairy foods may contribute to improved sleep quality. So when you drink warm milk before bed (or cold milk, if that’s your thing), you’re not only nourishing your body with nutrition, you might be helping your body sleep more easily too. The antioxidant and anti-inflammatory components in milk and other dairy foods may contribute to improvement in sleep quality.