For the past week, ive been waking up with strange symptoms. Read discription.?

For the past week or so, ive been waking up sweating, out of breath, weak, shaking, sore, and pale. I don't know what it is! I get 9 to 10 hours of sleep every night. It started off with just waking up with bruises all over my legs for no reason, then i got all of these symptoms, now i get horrible vivid nightmares, too. I take vitamins everyday too. Please help!