Oh no!!! I'm tired!

My roommate Allison has Mono! They just confirmed it today. And now I am sooo paranoid! I am feeling really tired. I had 9 hours of sleep and so I shouldn't be tired, but I am exhausted now. And what if I have Mono?! What am I supposed to do? The only way to treat it is to sleep 10 hours a night. And how is that possible in the MTC? Ahhh!!!