Wioth most types of childhood problems, parents can manage the situation by changes they make in their parenting practices (e.g., communication, behavior management). Sometimes professional evaluation/treatment are called for, and the situation you describe warrants such assessment. Whenever young children are displaying problems across settings (i.e., not confined only to the home), it's more likely than not that they are manifesting signs of emotional unrest, not
simplySimply sleep normalNormal saline flush-spectrum childhood behavior problems.
If he is grinding his teeth at night then he has anxiety. My 7 ry old has problems with peer groups and social skills, and this may be his problem also. My son takes 25 mg imipramine PM plus I give him standardized Kava Kava at night also. You could try 50 mg B-complex daily which will help with stress.
Try reading "The LCP Solution" by Jacqueline Stordy and Malcolm Nicholl.