OMG Mo! I'm right there w/ you! The last two nights I have had the same trouble!!! I get up at least twice to pee, and I can't get back to sleep! I went through this a few weeks ago too, but then had a good stretch of sleeping well again. I'm back to not being able to fall back asleep! The night before last I was having some pretty "noticeable" pains in my abdomen that kept me up until 11pm, (kinda freaked me out, but also kinda excited me!!)
I don't remember having trouble sleeping w/ my first either. Are we getting older?