Newborns do not sleep including pathological and non-pathological reasons. 1, pathological reasons: if the newborn does not sleep or sleep easy to wake up, at the same time have pillow baldness or night sweats, should go to the hospital to do the relevant examination to rule out vitamin D and calcium deficiency. 2, non-pathological reasons: (1) to the unfamiliar environment insecurity: newborns just born to an unfamiliar environment, everything around them will have more or less fear. (2) frightened during the day: the nervous system is relatively fragile, if the newborn is frightened during the day, the night will not sleep soundly or do not sleep. (3) Improper care: More newborns who wake up easily are caused by improper care by parents or family members. (4) Holding too much: Holding too much for a long period of time will easily make the baby become overly dependent on the adult’s embrace, and it will be difficult to make him sleep soundly if he is put down. (5) too quiet: too quiet environment, often let the newborn sleep especially sensitive, a little noise will wake up. (6) too much attention: newborns are born with the ability to sense, in the seemingly awake, not awake, can sense the eyes of others watching, if someone is watching, he may wake up. In addition, if you do not turn off the lights at night, it is not conducive to the establishment of normal sleep rhythms of newborns. (7) Nipple attachment: Whether the newborn is artificially or breastfed, he may develop nipple attachment. It is best to change this habit, and the use of a pacifier may also be considered. In conclusion, both pathologic and non-pathologic causes can lead to newborns not sleeping.