None med kind of cures...
Hold to a schedule as best you can. No job...still get up at the same time each day.
Exercise about an hour or more before bed time. (along walk, tread mill, weights, sports) Exercise of your liking.
No heavy meals just before bed time. Caffine and sugar should be stayed away from.
Warm milk does have something in it that helps us sleep.
And there is always prayer