It is good to know that you understand that you have anger issues. But along with that you also have sleep disturbance.
These symptoms are likely to be suggestive of depression
You need to be evaluated more and then treatment can be started. This condition is managable and treatable
Next Steps
You definitely need to consult a psychiatrist. You can choose any psychiatrist in your vicinity
If u need any help from me, u can consult me as well at my clinic