Step 1: Identifying the main issues.
This person is overwhelmed with work-related problems such as customer complaints, internal staff departures, and pending legal issues. Additionally, family concerns are affecting them, and the lack of sleep suggests high stress levels.
Step 2: Suggested response.
I would suggest that the person take some time off to regain focus and rest. It might also help to delegate tasks or seek professional help to handle the legal and personnel matters. Counseling could also be beneficial for managing personal stress. I would advise discussing the issues with a mentor or someone they trust to gain perspective and emotional support.