Moms "falling" on purpose. What's up with that?

Mom fell in late August. Although she did break anything she spent 4 days in the hospital, mainly for a ton on testing. After that it was 3 week in rehab, which she hated! One moved to AL she had 2 minor falls which prompted them asking her to move out saying she needed more care. They did let us stay about two months as long as we had a private care giver with her during her waking hours. We did this so we could find a nice place rather than having to move to the first one that would take her. Mom has been in the NH for two weeks. It really is a lovely place and similar to her last place but much smaller. Of course she hates it but when asked why she can't really come up with anything beyond her having to give up her cat. I get that - but my brother and I searched the two months to find one that would take a cat with no sucess. Kitty lives with my brother now and he can bring kitty for visits, although we think it will only make things worse right now and are waiting for her to get a little more settled in - mom, not kitty. Okay - three days then mom fell and got a bruise on her knee. Then a week later she fell but no bruise or any other marks for that matter. Two days later - yesterday - she fell in the morning. Again no pain, bruising,etc. They said "it was if she just sat down". I went to see her as Friday is one of my regular days - I've visited every Friday afternoon for five years. I was with one of the head admin ladies when I opened the door by coincidence - she had been walking my way. Mom was laying on the floor. But get this - she had made a little bed on the floor complete with two bed pillows and a blanket. Logistically it would have been impossible for her to have merely pulled thoses items off her bed while laying there. At first mom only saw the admin lady - she actually smiled at her. After about 30 seconds I said "mom, why are you napping on the floor?" She saw me and all hell broke loss - the pain, oohhh the pain! I left to pick up some rxs for her. I had my son with me and he tends to laugh at inappropriate situations. Plus I knew she would calm down easier if I wasnt there. I get back an hour later - just as my brother was arriving and I fill him in. We get to her room and other than her being grumpy it was if nothing had happened. We talk for awhile and after a bit my brother asks about why she was on the floor. She said she was getting something. So I ask about the bedding and she says "how do you know that?" I reply I saw it. She launches into wanting to move in with me. For the 100th time I explain why that's impossible. My brother goes back to the floor thing and she switches gears and starts pretending she doesn't know who he is. Mind you, she was pretty sharp until that moment. I wasn't going to sit through her go-to routine - personalized Who's On First - when she gets caught up in her own schemes - so I said goodbye. My mother has ALWAYS been a master minipulator but now that the brain cells aren't firing most of her schemes have become pretty transparent. A few days ago she told my brother people were stealing from her and that the head admin guy was molesting her. When my brother asked for a little supporting evidence she said because a nursing aide had painted her fingernails and that they were cutting her meat for her at meals. ???????? Do you think she's trying to make us think she's not being well taken care of and that we will move her, again? Frankly, I'd burn my house to the ground before I'd let her move in with me! Thoughts? Ideas? I'm a little worried she might accidentally really hurt herself in one of her "falls".