Can't sleep

I have this problem every sing time I know I need to be somewhere. I can't sleep. I'm tense and anxious about the trip I have to make today to the grocery store. It's the same trip that I make every week but it doesn't get any easier. I like to make a list and zoom through. But my mom has a different idea of how the trip should go. She will wonder off leaving me alone. Then when she gets back a few minutes later and I am obviously distressed she starts talking loudly and annoying me. And eventually she just stares at me. Thanks for the help mom. I really wish my husband and I had our own vehicle. He does a good job of taking care of me when we are out. And of course the lack of sleep before I go out does not help at all. I tend to get really grumpy and irritated about everything. It would be so much easier if we had a car. That's how I used to do my shopping alone before I met my husband. I'd go at 2am. There is nothing better than WalMart at 2am. But here it is creeping up on 6am and I'm not at all tired. Today is going to suck.