This maybe is a bit worrying..

I've been trying to concentrate on doing my english essays but I've not been so productive as of yet..
i'm really exhausted. Which doesnt make sense seeing as I've been eating between 800 and 1400 cals ()for the past 3 days,
also I'm really really thirsty all the time - but I really don't think I'm diabetic or anything.
And I haven't been sleeping very well at all - I keep dreaming of all my relatives dying.
Okay yeah.. my two nan's recently died within the space of a week, and my step-nan died two weeks ago... but I'm okay with it, I think.
I haven't suffered any major depression, I just keep having these dreams!!!!

Anyway - I can't concentrate, and I feel constantly like I need to sleep.

What the hell's happening?