You are about to become a dad. Your wife and your baby need you to be healthy - both mentally and physically. It is important that you are able to be there for them 24/7. You cannot do that and be high on weed or beer. You cannot experiment with weed and beer to the detriment of the beneficial effects of your prescribed meds. Please speak with your MD as soon as possible and ask them what you should do when your agitation or insomnia become severe.