Hi
Yeah, I have a standing script for Diazepam, have had for about 15 - 20 years. I was very ill at a certain point. Anxiety can become psychotic. I'm quite of the opinion, however, that if that were to happen, i.e. a form of psychosis, then most folks would know about it before now.
The DIY knock yourself out thing is antihistamine and alcohol. I wouldn't advise it. I've seen someone almost comatose and requiring an ambulance, but it does work, just have to be careful because you can suppress your breathing too much.
In terms of anything natural, yes, there is, and it's surprisingly effective. Valerian. Don't bother with tablets or capsules. I make tea out of the actual root, together with limeflower and damiana. I saw a herbalist recently, well, I've been seeing them for about three months, and I have a tincture which is heavy on the valerian. Dropped my resting heart rate by 10 and got rid of the cortisol jumping awake at 3.30am thing, plus it sorted the racing palpitations. You can't OD on valerian. Believe me, someone tried. It'll just make you sleep for a week. But, as I say, you need the actual herb, not some rubbish in tablet form.
Best of luck with it.
You're not losing your mind. It's just changing.