Erika, sorry you're getting the narcoleptic type of fatigue…I've fallen asleep while eating dinner and out at restaurants. I know whereof you speak.

I'm not sure that caffeine will help this type of fatigue, but try it…I drink 2 cups of caffeinated coffee in the morning, even though my cardiologist recommends decaf. It gives me a bit of a boost, although when the fatigue hits nothing helps and I end up sleeping the day away

Hope you get your vim and vigor back soon