孩子入睡时为何时而汗多时而无汗？山东读者杨建国问：小孩刚入睡时往往出汗，一般头部、背部汗多，有时像水洗一样（非穿多、盖多原因），而同样条件下，有时却无汗。为什么会出现这种现象？需如何护理？杨建国同志：孩子入睡时，头、背部出汗多，在婴幼儿时期是比较多见... When does the child fall asleep and sweat sometimes without sweat? Yang Jianguo, Shandong Reader Q: When a child just asleep often sweats, the head and back sweat more, sometimes the same as washed (non-wear more, cover more reasons), and under the same conditions, but no sweat. Why does this happen? How to care? Comrade Yang Jianguo: children fall asleep, head and back sweating more, in infancy is more common ...