Dealing with Insomnia

How to deal with insomnia...? I have no clue! I have had insomnia since I was a child. Scary childhoos must have set me up for adult insomnia. I used to take Ambien, but quit because of addictive side effects, and now take Melatonin. This had been working great until recently and now I GO to sleep with no problem-I just can't stay asleep!  May be due to my new, wildly successful mood stabilizer. I am now taking a med called Symbyax. It works great, but am becoming where I can't stay asleep. Tomorrow night, I am going to take steps to try to reset my circadian rhythms...