Hello Dear, good that you are reaching out for help. Suggest you to consult your doctor to recommend the alternate medicine . He may also be able to assess you current progress and help you with no medicine options. However you still need to work on the actual reason for no sleep otherwise you will be addicted to medicine. If you are looking for alternative solutions, ayurveda has many home remedies and treatments to overcome sleep disorders
Next Steps
You can reach me if you are interested in alternative therapy like ayurveda. Else consult your doctor to prescribe alternative medicine.
Health Tips
You may try few home remedies for now. Drink glass of milk. Have dinner minimum 3hr before sleep. Do gentle foot massage with coconut oil. These should help you with good sleep.