Can't sleep

After 18 months of trying and hoping, I just tested positive yesterday. We are very excited and hopeful, though I have some trepidation.   
I don't have a clear idea of how far in I am, though my best guess is 4.5 weeks. I have PCOS, and my last period was Oct 9 (usually about 6 months between periods). Since late October I have been doing a whole bunch of things to better prepare my body for pregnancy (major diet changes, Acupunture, metformin) and as of now, it seems to have worked! 😎
My ultrasound is scheduled for mid-December. My husband already cleared his calendar. As of 3 am, my mind is speculating due dates, trying out names, wondering if I will make it through the first trimester. Needless to say, I can't sleep.
My dear friend and my cousin are both due in December. I can't wait to meet their babies! I hope we can add our own to the brood.
Xoxo
Happy Thanksgiving!