Interesting - but don't overdo the valerian. There seem to be many warnings about it in this article - https://www.drugs.com/mtm/valerian-root.html
Is that over-reacting? I don't know.
Once or twice in the past I had disgusting colds and could hardly breathe. I found that if I had cough medicine PLUS vodka that I went to sleep and felt better. I did this at first without thinking, but then read the instructions. Seems that what I did was a complete No-No, and I shouldn't have done that.
However, when I felt the same some while later, I repeated the "experiment" with the same effects. I would probably do so again, if I felt it might work. I would however have to feel pretty bad in the first place, and perhaps I'd ask someone else to keep an eye on me in case things got even worse. Though when I "discovered" this the first time I was actually on my own - looking after myself.