Newborn babies cry a few times in bed and then fall asleep may be caused by external environmental stimuli, but also may be caused by disease factors such as rickets, intestinal spasm and so on. The newborn’s nervous system is not yet mature, sleep has not yet formed a regular, the cerebral cortex may be in the newborn sleep sudden excitement, which will lead to the newborn cry a few times in bed and then go back to sleep performance. In addition, bladder irritation, noisy environment, uncomfortable diapers, and unsuitable indoor temperature can also lead to these symptoms. Newborns who cry in their sleep and then go back to sleep can also be caused by disease factors. When newborns suffer from rickets due to a lack of calcium, they will often show symptoms such as convulsions and waking up easily. Transient intestinal cramps can also cause newborns to wake up during sleep. When a newborn baby is unwell, he or she should go to the hospital immediately for a clear diagnosis and targeted treatment to avoid delayed treatment.