Can babies sleep on their sides?

Infants can sleep on their side, left and right side lying position can be, is conducive to the prevention of aspiration pneumonia and to maintain a smooth airway.
1. Prevention of aspiration pneumonia: infants under 3 months old, after eating or lying down, it is easy to spit up the phenomenon of pendulous, easy to accidentally enter the airway caused by choking, and in severe cases, aspiration pneumonia and so on. At this time, you can let the baby sleep on his side, the milk will flow out of the corner of the mouth, to help prevent the emergence of aspiration pneumonia.
2. Maintaining a clear airway: When an infant lies flat on his or her back, the root of the tongue falls back, which is likely to obstruct the airway and cause snoring. Sleeping on the baby’s side helps to maintain a clear airway and prevents snoring.
Note: Infants have soft bones and immature cranial development, if they sleep on their side for a long time, it is easy to make the head shape not round, so it is best to lie flat, left and right side lying position should be alternated.