Hit my head and now incredibly fatigued?

Anonymous
A few days ago, I hit my head pretty hard. I didn't experience anything out of the ordinary at first, but the next day I developed a really intense migraine. Now I am extremely fatigued and can't seem to get enough sleep. I normally need the sleeping pill my doctor prescribed for me, but last night I was so exhausted that I went to bed without it, slept 9 hours, and still woke up extremely tired. Could I have a mild concussion of some sort? I've read you don't have to hit your head very hard to have some trauma so now I am wondering about this. I will be calling my doctor in the morning, but until then I thought I'd ask.
Hit my head and now incredibly fatigued?
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