Gaia, interesting! What were your reasons behind doing that rather than putting your own mattress on the floor? Sounds like his first night with the new setup was a success, at least relatively speaking?
Boo, I'm sorry I don't have experience with that. Sounds frustrating indeed
How long has it been going on? It seems like the general pattern with those gross motor things is that they just get over it sooner or later. Does he know how to get back down on his own, or is he actually stuck when he stands up?
Amy, I'm sorry you had a rough night.
I'm familiar with that idea from AskMoxie. The theory makes a lot of sense, but personally I haven't found it to be very useful or consistent with my experiences. If you had to put Munchkin in one of those categories, he would clearly be a tension increaser. But that doesn't mean that he can't calm himself down on his own. For example, a pattern I've seen several times since we started gradual withdrawal is that he tries to go to sleep, cries in frustration, quiets down and tries to sleep, cries, etc until he falls asleep. Sounds like tension releasing, but I just don't think that's true -- I think he's crying because he's truly frustrated. The crying isn't helping him calm down, it's just that he is able to calm himself down in some other way.
I think if you are going to try sleep training involving crying then you have to accept that you are committed (to your chosen method, of course, which you selected because you think it's a good fit for your baby) no matter what temperament your baby has. It's really hard to get to that place, I know, especially when you have reason to suspect you're not going to have an easy time. But it just makes things hard on both of you otherwise. You're not locked in forever, of course -- after several days you can (and should!) re-evaluate if it's still not working.
Just my opinion. I know Pantley might disagree, and she has a bestselling baby sleep book and I don't. But I've experienced firsthand and heard and read about many other cases where a baby really does cry in a very intense way on the first night or two (or five!) and yet the sleep training works.
Ok, none of this rambling really answered your question!
I think there are two approaches you can take if you want to work on not putting her down asleep. You can keep putting her down drowsy (or let her fall asleep and then wake her up as you put her down), but if she cries, pick her up right away and try again. Or you can be in a sleep training mindset and decide that you're going to be there for her while she works it out on her own, even if she's crying. Either one of those is perfectly fine! But I think wavering between them is just stressful for you and doesn't really help the situation any.