Out of curiosity, what Firefox addons do you have in mind?

So what i use works is a bit different kind of task but it gets you out of bed…

https://f-droid.org/packages/com.sweak.qralarm/

Best Promo-Video ever

If you plan on doing it on a regular basis, you might want to try latex. This is going to be hard on the first one or two poster but on the long run it can save a lot of time…