Recovering from hawk, hen tips forward immediately- please help!

[bigredoscardog]

I found this thread in a search. I've got a silkie "falling forward". There was no attack, that I know of. She was broody and when she came out once a day, she would carry on something fierce but then I noticed her falling....She would come out of the box, and not going back in. It was too much for her. I am afraid she will slowly starve, as she doesn't seem to be interested in food, at all. Perhaps crushing the crumbles and force feeding her is the answer.