Anxiery, Zoloft

I went in to the doctor with my husband and she told me that she wanted to start me on 50mg of Zoloft.  She was so encouraging through my fear of possible effects on the baby, and said that if I was her sister or her best friend she would still be encouraging me to take it.  She even said that if it were here in my situation she would take it.  So with some sadness and hope, I started taking the Zoloft Monday night.  It's now Saturday, and I've taken 5 doses.  I feel more energy than I felt before I started the medicine and in some ways I feel like the anxiety is starting to feel minimally better.  But I'm frustrated because for a day or two I felt the same or almost worse because I had all this energy along with anxiety.  And I'm still not sleeping well.  I fall asleep hard at 9 or so with no trouble.  I wake up at like 3 am each night though and have anxiety.  I take a benedryl (which my doctor also enthusiastically supported if I needed it) so I can try to sleep more, and sometimes it works, and sometimes I worry about taking the benedryl and can't sleep.  But I'm so behind on sleep and tired and I desperately want to sleep better because I think that's making it worse.

My question is... is there anyone who has been through this, starting Zoloft?  How long did it take you to start feeling better?  Did you have any sleep problems?  If so how did you fix them?  I need some support and encouragement here please.