A newborn baby's ability to go without eating at night depends primarily on age and weight. Newborns typically need to eat every 2–4 hours around the clock, including nighttime, for the first few weeks of life. By around 3–4 months, many babies can physically manage a longer stretch—some may sleep 5–6 hours without feeding—though individual development varies widely. By 6 months, a healthy baby may be capable of sleeping through the night (7–8 hours) without feeding, though not all do.
Several factors influence nighttime feeding needs: breastfed babies often need more frequent feeds than formula-fed babies; birth weight matters (smaller babies need more frequent nutrition); and growth spurts temporarily increase hunger. Always follow your pediatrician's guidance rather than generic timelines, especially in the first months when weight gain and adequate nutrition are critical.
It's important to distinguish between what a baby can do and what's recommended. Forcing longer stretches before a baby is developmentally ready risks insufficient nutrition and weight gain. Conversely, some parents worry unnecessarily when their older baby still wakes at night—this is often normal. Most pediatricians advise feeding on demand in early infancy and watching for readiness cues (longer sleep stretches, sustained interest in solids around 6 months) before expecting consolidated nighttime sleep. Communication with your pediatrician about your baby's growth pattern is the best guide.