Hi Pet we did do CC. It was much easier than I thought it would be, but I think T was probably quite close to making the transition himself, or at least in a place where he was willing to learn (disclaimer: I don't think babies that cry longer are not ready, very baby is different!).
The first night he took only 15 minutes to settle himself, I went in twice (after 2 minutes and 4 minutes), he'd stopped crying by 10 minutes and was asleep within 15. Overall there was much less crying than a normal bedtime with a number of failed transfers to cot. He then woke around his usual 6 times, but settled back to sleep with just mild grumbling and no need for me to go in to him. This was also the first time he'd ever not fed at night - best previous was 3 feeds.
Second day was a bit more crying, 3rd day more, last night was less than 1 minute of crying, and tonight was just 2 minutes. It is very hard to hear them cry, even for a short time. I think because you're doing it 'on purpose'. T has seemed much happier through the day with his extra sleep though (last night was 7:30pm - 5am!), so I'm feeling happy with our decision to sleep train.
Btw, my DH didn't like the idea really, but I showed him a couple of articles and discussed it with him to get him on board. If it doesn't work for you one night, you can always just stop and go back to feeding to sleep for a couple more weeks. My DH (who, granted hasn't had to listen to the CC) now wishes we'd have done this weeks ago. He has a happy baby and a happy wife.
Articles linked by Brookers on Facebook -
study showing no positive or negative long term effects from CC
A look at the science behind the opinions
I thought there was one other too, but I can't seem to find it.
I'm not saying you should do CC, you have to be totally certain it's what you want to do before you start. If you're not, you'll wobble and feel terrible about the whole thing. I found the articles above useful in making my decision though. That and the abysmal sleep!
I hope you settle into the new school quickly. It must be so hard working alongside awful sleep, I can't imagine it.