WHy am i so tired?

A man asked me, " Girl, why do u look so down?"
I answered him, " Tired lar, I slept for whole 2 hours just now"

IT was nt before long
The night before as I was reading, I became soooo tired suddenly.
Very.
Got my reading material up to my 1 floor bed.
And read.
Eventually dozed off for about 1 hour?

Morning woke up.
Felt so tired also.
FORCED MYSELF TO CLASS for 2 hours.
Came back.
Dozzed off AGAIN. till 1 pm i went for class again.

ANd here I am .
Blogging bout this.
WHy am I so tired?