1, the correct laying of the crib First of all, it is recommended that the baby’s mattress should be slightly harder, and then to lay four good absorbent cotton bath towels on the mattress, and then lay a sheet flat on top, to pull tight, so as not to loose slip. Why do you want to lay it this way? This has an important connection with the second method, which will be talked about later. 2, let the baby sleep on his back About whether to let the baby sleep on his back or supine, there has been a kind of controversy, but sleep on his back this advice you can refer to. Let the baby sleep on his back is a certain scientific basis, the baby in lying on his back when sleeping indeed can get a longer period of quality sleep, in nature as well, many animals at birth to take the sleeping position is to sleep on his back, because the baby will be more secure, in fact, a little observation will know, we pick up the baby, the baby will instinctively close to our body, so as to keep themselves comfortable. This maintains their own comfort, because only close to our baby to have a sense of security. Baby in the search for a sense of security will be waving hands, hoping to grab some kind of physical object, but sleep on their backs when the baby can not grab, only when sleeping on their backs, the baby can always contact the physical object, so that the baby in an environment full of security, of course, can sleep a good sleep. A lot of people are worried about babies sleeping on their backs for one reason is afraid that babies in the process of sleeping on their backs encounter problems such as spitting up suffocation, so we ask to do the first step, because this will be very effective in absorbing the milk spit out by the baby, of course, in fact, due to the instinctive reaction of the body, the baby will also take the initiative to avoid the wet parts. Of course, the baby’s health is a big thing, no one wants to joke with the baby’s safety, so it is recommended that mothers can follow the methods in this article to do a small test, that is, in the case of someone to take care of the baby try to sleep on their stomachs, and then do a comparison with the case of sleeping on their backs, so that you can come up with the effect of comparison, while under the care of the mother, the baby will not be in danger.