I am Dr Jignesh.
I have read Your question.
You haven't written Your age.
Please do complete medical check up with Your nearest Physician . Ask for ECG & MRI/CT scan
of CNS .
Drink Plenty of water regularally, atleast 10-12 glass per day. You might have low hemoglobin
level So first do chek up of Hemoglobin, Then ask for complete check up.
Best Luck & Take care.