AF is late and I feel like crap.

I don't know whats going on. I ran out of tests and my period is late plus I sleep all day it seems. I wake up, I make breakfast for me and the hubs, he goes to work and I'm back to bed for like 5h and can't even wake up to work and school. What the heck is wrong with me !!?? Iv literally never felt so tired in my entire life!