Why Babies Fall Asleep While Being Fed
Babies often fall asleep while being fed due to a combination of soothing and comforting factors. This behavior is not unique to newborns and infants but can be observed in many creatures, including adults after a hearty meal.
The Calming Reflex
Sucking has a calming effect on infants, triggering a natural reflex that helps them feel secure and relaxed. During feeding, the closeness with a caregiver adds to this sense of comfort and security. Furthermore, newborns and infants have smaller sleep-wake cycles, making it easier for them to drift off during feeding. The warmth, fullness, and coziness of being held by a caregiver often lull them to sleep naturally.
Falling Asleep After a Meal
This phenomenon is not limited to babies. Many older children and adults also find themselves falling asleep after a meal, especially a large one. The same occurs when babies are fed – their full tummy helps them feel comfortable and secure. Additionally, both milk and some foods like turkey contain tryptophan, which is known to induce sleep. The fullness and warmth from a meal contribute to the feeling of relaxation, making it easier for babies to drift off.
Baby’s Maturing Digestive System
Newborns have a maturing digestive system, which requires a significant amount of energy to convert milk into usable energy. This process explains why babies tend to sleep after feeding. The green color of their poops indicates a high concentration of nutrients that are being eliminated, while their digestion system matures, the color of the poops will transition to yellow. As the digestive system matures, babies will not need to sleep as quickly after a feed. However, this can vary from one baby to another, as every child is unique.
Comfort and Security
Babies fall asleep during feeding because they feel comforted and secure. The act of being held and the warmth, along with the rhythmic motion of feeding, provide a sense of safety and contentment. Even older babies, like the author's 2-year-old daughter, may still nurse at night, depending on their needs and preferences. This behavior often occurs on their terms, showing how important the comfort of being held can be to them.