What could be going on with me?

I am desperate for answers. I am only 25. My doctor has been no help. Years ago this all started. I would get this odd feeling I can not describe for no apparent reason. I would just feel ill, and had this strange feeling that I should lay on the Cold floor. I felt like if I didn't I might fall over or pass out. I could be making dinner, or just doing every day things and it will happen. When I lie on the cold floor I start feeling better right away. For some reason I feel the floor must be a cool surface. This has been happening off, and on for about 4 years or maybe longer. This does not happen shortly after getting up. I eat regularly, and drink plenty of water. Has anyone else had this happen? Please help.
What could be going on with me?
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