Sari is so tired and will fall asleep on us, floppy limbs asleep; but as soon as you try to put her in bed, she cracks the sads

We are trying to start putting her to bed earlier as she will snooze on us right up until 10-11pm and in the past I would end up boobying her to sleep but lately even that isnt working. She used to booby to sleep then sleep for up to 5-6 hours then would wake for a feed and be back in bed within the hour (booby to sleep again) but she is doing the same thing then when I try and put her to bed. I dont think it is wind. The last three nights I have given up and ended up leting her sleep on me on the couch (all done safely so she cant go anywhere etc). Is she running rings around us do you think?

Tonight we are taking turns to put her to sleep and then put her to bed and we are just going to try and persevere until it works Last night was a nightmare she woke within half an hour of being put to bed (10.30pm) and I tried until 3am to get her back in bed then gave up and slept for a few hours on the couch with her. I cant do this every night!

We have soft music playing in her room, there is a top of mine and Dh's in her cot plus a ticking watch. The room is warm plus she is dressed warmly as she kicks the blanket off.. aaaargh... any thoughts on why she is beng this way?

BTW she has been this way after sleeping well through out the day and not having alot of sleeps too..cant win!

Cheers
Nets