•S/he doesn't want to sleep alone when s/he separates from hher/his parents.
•Exaggerated fear that something could happen to her/him or her/his parents and has nightmares related to being separated from his/her parents. 
• The child doesn't want to go to school or infants' school so as not being separated from his/her parents. 
 Besides: these symptoms started after vacations, or after having stayed at home for a long time (for example, due to a disease) or afer a family crisis. 

None