Hi I have 3cats.number 2+3 are sisters I acquired from an overrun house of cats.one had cat flu<I didn't know it at the time>the other was tiny,as they'd been weaned on adult kibble.fully grown now<they're 2> One has developed in past couple weeks literally leaping jolt awake from sleep flying from into the air.twice she's fallen out basket from top of cat tree and is very disorientated and jumpy for quite some time after This is new to her.is she just anxious or is something wrong with her?it only happens when in deep sleep