If a baby is frightened and can’t sleep soundly, parents should pay attention to soothing and improving the sleeping environment. Infants small psychological tolerance is relatively poor, after being frightened, it is easy to lead to the phenomenon of sleep unsettled, parents must promptly pacify the baby, you can lie down with the baby, gently pat the baby to sleep, or hold the baby to sleep, so that the baby feels a sense of security, but also with the baby with the humming of children’s songs, more helpful to promote sleep. In addition, you need to improve the infant’s sleeping environment, if the sleeping environment is too noisy, make sure to keep the sleeping environment quiet and comfortable, to avoid the infant to be frightened again. If the infant’s sleep is not restful after being frightened, and if the symptoms are still not relieved after adjustments, it may be caused by other reasons, such as calcium deficiency, and the infant should go to the hospital in time to find out the cause of the problem and then target treatment or therapy.