How do you battle insomnia?

I take 10mg of Ambien and a benadryl. It's the only thing that helps

200mg trazodone, 2 benadryl. I still wake up a lot during the night.

40 mg melatonin, 2 unisom, and them i might sleep 2-3 hours. Had insomnia for more than 30 years. It sucks!