I'm late to the party but here to offer lots of hugs farmvillelover, sleep deprivation is no joke.
DD1 never slept and is a huge part of why my girls are aged far apart. I would hate it when the sun went down bc that meant the night was coming. I will second or third the CIO for the first sleep and maybe not MOTN. If he is fed when you put him down he should be ok to cry for a bit. I also found when dd2 cio at the beginning of the night she slept a longer first stretch. I don't think anything helped with dd1 because I tried everything. What worked one night wouldn't work the next.
Hugs farmvillelover ! I have 2 kids that STTN and I'm a freaking mess most all of the time. It's been hard for me to accept that I need medication to feel "normal," but it is what it is. It makes me a better mom, wife, and person. You're in one of the hardest life spots right now, and it's ok to not be supermom. You're doing a great job, be kind to yourself!