Thanks for using Just Answer.
I want to help, but first, could you answer the following? Does she wet her bed? Does she have dark circles under her eyes? And finally, what is her home life like? Parents - married ro divorced recently? Siblings? Older/younger?
I can provide further information when I hear back from you :-)
Thanks for the follow up information. What I'd suggest is that this child is evaluated by a child Psychiatrist (not a child psychologist or a pediatrician). This could very well be the beginning of a mood disorder (like Bipolar) or even ADHD.
The sooner the illness is treated, thebetter for this child. The longer it is allowed to continue, the harder it is to treat, and the worse for the child. Once she is effected socially, it makes it really hard for her to learn new coping skills and so on...
I hope this helps, but please feel free to write back with any follow up questions.