The correct position for a newborn to sleep is usually lying flat.
Newborns lying flat can keep the airway open, is more suitable for newborns sleeping position, if the baby spit up, you can properly elevate the head, and let the head to the side to avoid choking.
As the newborn baby will not turn over, will not actively appear side lying situation, if the baby appears to spit up frequently, you can give the baby to choose the left side of the lying position or the right side of the lying position, so as to avoid spitting up the milk accidentally inhaled airway, caused by aspiration pneumonia. When the baby can raise his head, you can let the baby lie on his side, in order to prevent the child’s head shape sleep deviation, you can let the baby left side lying position and right side lying position alternately.
It is generally not recommended to let the baby sleep prone, which is prone to the risk of suffocation. If you notice any abnormalities in your baby’s sleep, it is recommended that you seek prompt medical attention.