It is okay for infants to sleep on their side if the duration is short, but it is not good if they sleep on their side for a long time, which will easily affect the blood circulation of their arms.
Generally speaking, sleeping on one’s side is good for maintaining smooth breathing, and it can also prevent babies from choking by preventing breast milk overflow and other situations. If there is milk spillage, sleeping on the side is better, but the duration of sleeping on the side can not be too long, otherwise it is easy to produce pressure on the arm, affecting the blood circulation of the arm, in the absence of special circumstances, try to take the supine way to sleep is better.
If the baby has a long time to sleep on the side of the situation, parents should be timely corrected, you can take both sides of the side of the combination of methods, you can also take the side of the combination of sleep and supine method of sleep, to prevent the local blood circulation is affected.