Hi. There surely are underlying issues for your disturbed sleep. They need to be addressed, so the mind can be calmer. I am sure lack of sleep might be affecting you in your work too. Kindly consult clinical psychologist. The therapeutic sessions will help you a lot.
Next Steps
Please consult the Clinical psychologist.
Health Tips
Listening to relaxation audios and theta waves music will help you relax and calm down your mind. However underlying issues need to be addressed.