I agree with what was mentioned earlier about it possibly being dissociation. I've done it off and on since I was a teenager.

The best way I know to describe it: has anyone seen "Being John Malkovich"? If you have, do you remember when they were in his head, peering out through his eyes, watching what he was doing? That is what I do a lot when I'm really really anxious....everything around me is real, and clear, and intellectually I know this, but my brain sort of makes it all really peripheral except for what I'm actually focusing on.
But sometimes even that doesn't happen, and I feel like I am in someone else's body----I have looked in the mirror many times when this happens and although I know it's me I feel like I'm looking at another person.

I was terrified to tell this to my psychiatrist: I was sure he'd say I was schizophrenic or had schizo-affective disorder or worse (I have two cousins with the former and the idea is quite frightening to me). My psychiatrist assured me it was simply anxiety, and it was my brain/body's way of coping with it. (Agreed, it is a sophisticated coping mechanism, stratocaster.)

When you described feeling as if you were in a dream, but awake, with that haziness, I definitely have that when the disassociation happens. It used to scare the crap out of me. Now that I'm on an anxiety med, it doesn't happen very often unless I'm intensely stressed out with more than usual on my plate. And it rarely scares me when it happens anymore because it always passes.

It is a very very odd feeling/sensation, though, and if that's what you're describing I truly get what you're dealing with, If it is that, it can certainly be treated, and dealt with.

Good luck!