Too much caffine? Sugar? How are you sleeping. Could also be a specific allergy to something. Good luck.

__________________
"I have spent MOST of the money I have made in my life on expensive women, expensive cars, and expensive drugs. The rest I just wasted." - Myself "Belief in the supernatural, reflects a failure in the imagination." - Edward Abbey "Give me a firm place to stand, and I will move the Earth." - Archimedes