Infants are able to sleep on their stomachs, but it is important to note that parents must be on the side of the care, usually recommended that the baby sleeps flat. Infants can sleep on their stomachs. Such as infants in the lying down to sleep, there will not be the root of the tongue fall back, the respiratory tract will be more smooth. Secondly, when some babies have mild bloating or indigestion, sleeping on their stomachs is good for relieving the baby’s bloating or indigestion. Despite the many benefits of sleeping on the stomach, it is usually recommended that babies sleep flat on their backs. If the baby sleeps on his/her stomach, it should be noted that the mouth and nose may be covered, which may lead to the risk of suffocation. Therefore, when babies sleep on their stomachs, they need to be watched by an adult to ensure their safety. If there is any danger, it is recommended to seek medical attention.