9 months sleep suddenly cried and closed his eyes may be normal physiological psychological reasons, but also may be mosquito bites or collision and other circumstances lead to.
For 9 months of children suddenly crying in bed, first of all, to exclude is the infant stage of normal hunger, defecation and sense of security and other psychophysiological needs, after breastfeeding, changing diapers or coaxing hugs and other processing may stop crying.
In addition, or to be alert to the occurrence of mosquito bites eye, and whether in the process of sleeping collision and eye surface foreign body inflammation and infection, etc., for the crying more than difficult to open the eyes of the situation is recommended to consult a doctor in a timely manner, improve the examination of the body slit lamp microscopy and other ancillary checks, and then for the specific circumstances and severity of the situation and to be dealt with.