Orenishii, I agree with Yomping that that can't be right about napping in the pram or where ever, I mean it's the vehicle that's moving, not the baby's body. Perhaps it's not as restorative, but not completely worthless I'm sure.
I don't really read any theory type stuff. All the sleep info that's been posted lately is interesting, but it's fried my brain, I'm going to continue going with the flow.
Cheesey, I do tummy time with DS a couple of times a day, just for a few minutes, when I remember. He gets grumpy with it quickly. And like Huffle, haven't done it for a couple of days because he hasn't been in the mood for anything.
Mickey, hope things are better today. I know what you mean about it feeling worse when you normally have things easy. DS woke several times last night, which he used to do regularly, but because I've become used to him just waking once or not at all, it killed me! 
Your DD sounds so sweet Elpis, and I most definitely agree with the Superwoman accolade.
Well, I seem to be getting my smiley, happy baby back (fingers crossed).
Yesterday was crap (no naps whatsoever), last night was super crap (woke to feed 4 times), this morning was a bit crap (grumpy and clingy), but then he randomly put him self to sleep in his cot when I left him there to look at his mobile.
Then we went out to a friend's bridal shower, so he had a couple of good sleeps in the pushchair on the subway. He even fell asleep at the party on the rug for a bit. In between and since we got back he's been all smiles and chat.
Shall wait and see how tonight goes...