Generally, newborns sleep for a long time and spend most of their time in sleep, except for feeding, urinating and defecating. Some newborns sleep less, but in good spirits, no other discomfort, which is also normal. If the newborn sleeps less and always cries, parents should look for the reasons and take measures: 1, newborns should pay attention to warmth, but do not wrap too thick, the external hot and cold stimuli can cause discomfort to newborns, causing crying does not sleep, to properly dressed and wrapped, if the temperature is too high, to promptly remove the extra clothes and quilts. At the same time, the room temperature should not be too high, maintain at 22 ~ 24 ℃ is most appropriate. 2, pay attention to the surrounding environment to keep quiet, do not develop the habit of holding the newborn to sleep, indoor do not turn on the lights overnight, and gradually develop a clear sleep habits for newborns day and night, do not reverse the day and night. 3, the mother should not eat spicy and stimulating food, breastfeeding on demand, but do not feed the child too much, do not tease the child before bedtime, so as not to overexcite the child. 4.Check for foreign bodies on clothes and bedding, and abnormalities on the baby, such as urine impregnation erosion, insect bites, etc. If these physiological factors are removed, the child’s crying is considered to be caused by disease, and it is recommended that the child be taken to the hospital in a timely manner in order to clarify the cause and take targeted measures.