Babies often wake up halfway through the sleep process and cry for a long time after waking up, making many parents worry. In fact, the baby can not sleep solidly for many reasons, can not simply be classified as sick, hunger, cold, heat and too excited before bedtime will affect the quality of baby sleep. The key to getting your baby to sleep is to find the cause and deal with it: 1. Before the baby is 3 months old because the brain nervous system is developing, the body lacks trace elements that cause the baby to wake up easily during sleep, which is a physiological reason. With the growth of months will gradually ease. 2, the reason for suddenly waking up when sleeping may be the baby overheated or cold, the body self-protection state causes the baby to wake up. At this time, mothers should pay more attention to the recent temperature changes, do not sleep with the wind blowing directly to the body and do not cover too thick quilt. 3, sickness is also a major reason for not being able to sleep peacefully. Mothers should pay attention to the baby’s daily diet hygiene, to develop good eating habits to avoid indigestion or gastrointestinal diseases. 4, if the baby does not have good sleep habits will also lead to sleep is not solid, mothers can do some fixed activities before bedtime to suggest that the baby to sleep, so that the formation of its conditioned reflex. 5, be careful not to let the baby too excited before bedtime, as well as half an hour before bedtime try not to let the baby eat, drink too much, so as not to be woken up in the middle of the night by urine and other physiological needs.