cure for shift work sleep disorder?

Hi all,I've become pathetic about my current problem and hope there is cure for everything including this,or I have to live with it.
I work in shifts,and my problem with insomnia started around 4 months ago,when all employees went to first shift including me.I work in shifts not so much,4 years.I began waking up like in 4:30 am which was not case before.That was not so bad,because I had like 6 hours of sleep.I started to visit my psychiatrist about my problem,he told me 5-6 h is not so bad.But then few days later I started to wake up between 2-3 a.m. for no reason.She (doctor) thought I had some symptoms of depression and put me to antidepressants.I took firstly effexor for like 2 weeks then switched to paxil,but there was no help.I still take paxil around 1.5. month.In the mean time I was not able to fell asleep (in like June) so I took nitrazepam 5 mg,for like a month.He gave me a good sleep but I was constantly tired over day tomorrow,felt sleepy so I stopped it.After that while I was taking only paxil in 20 mg,problem still existed,I kept waking up between 2 and 3 a.m.Doctor then put me to seroquel,which gave me good sleep,I felt asleep soon,but I was drowsy all the time.The dose was 25 mg and after that 12.5 mg.I couldn't handle drowsiness,tiredness day after so I stopped seroquel after 2 weeks.I took one night bromazepam 3 mg which I took before while working in shifts like maybe 2 x per week when I couldn't sleep and strangly bromazepam helped,gave me like 7-8 hours sleep.But my doctor doesn't want me to take them because addiction,withdrawal,dependance and those things,even that's the only aid which helps my insomnia.Last week we tried remeron 7.5. mg,first night gave me sleep,but drowsiness tomorrow was there.Last 2 days drowsiness dissapeared but I couldn't fell asleep like last night,I took it around 10 p.m. and I couldn't sleep all night.Night before I took it but woke up around 3 a.m. and those awakenings in the middle night simply kill me.After 4 months of my insomnia torture I still sometimes can not fall asleep,and even if I do with some pills I awake usually around 3 a.m. I changed 3 doctors and they told me there is simply no cure,and I felt dissapointed,I don't wanna live with insomnia it kills me.I live in poor country and I believe there is a cure,a magic pill in like USA for my symptoms,so if anyone had same problem,hope can help me.I tried melatonin,some natural remedies,natural pills but nothing seem to help.I'm currently on remeron,will try 15 mg tonight and taking paxil only 10 mg in the morning.So any suggestions are welcomed.I'm desperate.

Last week I used bromazepam at 3mg which is the only pill that gives me 7-8 hours of sleep,but my shrink doesn't allow me to take it every night because of dependance,withdrawl....
Currently I take remeron at 7.5 mg for sleep,for like 10 days,but it is killing me over day.I feel so drowsy,tired and strange over day even in the evening hours.I tried with 15 mg and 3.75 mg same thing.Last night I took 3.75 mg for first time thinking that smaller dose will make me less drowsy over day,but I was wrong,gave me ever more of that hangover effect.So I'm miserable don't know what to do anymore,and what pill should I take to give me average good sleep without hangover effect tommorow,except benzos like bromazepam who helped.Tonight I will take it so I can check if it's still working for sleep.
Besides I'm not sure if this strange feeling with remeron will last quite long,I thought to quit remeron soon,I hate to live this way.