Hello Friend, Good that you are seeking a help. Having a good and sound Sleep is very important for both physical and  mental health. There are many reasons for sleep disorders, but most common one is mental disturbance. Take a professional counselling support to analyze your recent changes in emotions that may be causing you such disturbances. May by career or relationship or family related issues could trigger such problems. Based on assessment you can few home remedies, excersise, self therapies, dietary changes to manage your sleep. Don't hesitate to consult. You can overcome this long-term problem with those recommendations.