Hello Friend, Good that you are seeking a help here. It's your anxiety that is causing all such symptoms especially sleep disorders. Sleep is very essential for a healthy body and mind.
You need to learn how to manage and control your emotions.
Take a counseling support and I am sure you will be able to overcome this problem with quickly.
Next Steps
Consult a counselling psychologist directly or reach out to me online through Practo app for further detailed evaluation and suitable recommendation that you can follow practically to overcome this problem. Be positive. You will be alright soon.