Hi Frwlkr, Welcome to PC!
Sorry about your having to go through Katrina.

It must be extremely stressful losing everything you've known. That would make anyone not be able to sleep and very tired.
I'm sorry you're having such a bad time.
I hope things start looking up for you, soon.
I don't know much about ptsd but you'll find a lot of support here from people who do and don't understand it's symptoms.
Take care.