Sleeping Disorder?
People do various methods in order to sleep well. Unfortunately which has become uncommon.However drugs, pills and various strategies of sleep are cumbersome.Try this Muslim Night Prayer and  repeat saying 100 times on finger tips or over beads, most probably you would fall asleep before completion of counting up to 100 or more.Don't quit  in initial few days, you need to have  conditioned mind before it obeys . If Arabic prayer is not feasible then try in English. It will also work in English or any languages. As languages are signs of Allah ( Quran).

Muslim call to prayer:Christian LadyCries.