Over the last two days my 7mo DD has lost her appetite for solids, and screams uncharacteristically if I try to feed her more than a couple of mouthfuls of anything other than smooth fruit puree. She is also a bit clingy and cries if I put her down or ignore her. She has not gone to sleep as usual the last two nights either (but sleeps OK when she does drop off). Teething? The heat? Any ideas for how to get to her to eat a bit more?