Wow, I am glad it is not just ME that gets wierd dreams from Trazodone. Mine aren't really "nightmares", thank goodness, but are always very, very vivid. They are so real, it takes time for me to wake up and realize that it was just a dream. I don't mind the dreams, as that means I am getting deep sleep (something almost nothing else gave me.)
You can develop a tolerance to the trazodone. I started on 150 mg at bedtime, and now take 300 mg. My doctor told me that it's important to take it 20-30 minutes before bedtime and then GO TO BED. There's some kind of "time window" involved. If you stay up too long after taking it, it can backfire and actually keep you up. (I had this happen a couple of times.)
My nightly ritual: I run the water for a bath. I take my nighttime meds. Then, I rub a good cold cream into my face.
I take a warm bath, thoroughly washing off the cold cream, put on my pj's, brush my teeth and apply night moisturizer (eye cream, etc.) I turn on my nigt sounds machine (I like the rainfall one.) By this time, I am sleepy and I go to bed. Works every time. I keep a dream journal, and I do find some insightful things from these dreams.
I hope you do find a good way to get some great rest. We need it to stay healthy and sane. Love, Kathy