Yes, it is perfectly safe for babies to drink cold breastmilk directly from the refrigerator. While many infants prefer warmed milk because it more closely mimics the body temperature of a mother, there is no high-fidelity medical or nutritional reason why milk must be heated. In fact, serving cold milk can be a significant time-saver for parents, especially during middle-of-the-night feedings or while traveling. If your baby accepts chilled milk without fussing, it eliminates the risk of accidental burns from hot spots caused by improper warming. However, some babies may experience a slight decrease in alertness or drink more slowly if the milk is very cold. If you do choose to warm the milk, it is vital to avoid using a microwave, as this can destroy protective nutrients and create dangerous temperature pockets. Instead, a warm water bath is the safest method to ensure the milk reaches a comfortable lukewarm state while preserving its delicate biological composition.