Want specifics? Here's what I've tried:
Sonata (only gives me a headache); St. John's Wort (kinda works, but only if I
don't take it regularly); Melatonin (no effect at all); various teas (most of
them have Valerian, which I've discovered wakes me up); various and sundry low-level
antidepressants (if I take a dose high enough to make me sleepy, I'm groggy for
half the next day); Ambien (works great, but I can't take it too often); Tylenol
PM (works on mild-insomnia nights); and probably a few more I can't think of right
at the moment.