I wake up with my mouth dry and hurts when i swallow?

Xylimelts: Try using over the counter xylimelts. They are like a breath mint which stick in your mouth and increase saliva production. Google xylimelts.

Xerostomia: You have have sjogren's, some other primary salivary gland problem, be taking a rx that causes this, or be sleeping with your mouth wide open and mouth-breathing. A physician's office visit is in order.