hi deb -
the part where you describe Olivia trying to sit back up sounds a lot like Luke lately! :roll:
you mentioned that you were able to distract her by shhh-ing really loudly - and then she kind of suddenly realized she was tired. one thing that i've done to distract luke when he gets like that is to start his mobile. it spins for about 5 minutes (no music or anything) and it seems to help him focus & go back down.
admittedly, it is one of those things that i do rarely; cause trying more often it doesn't work, but it might help through this odd time while she's excited about practicing new tricks?
HTH