hi i am a neurologist
,have gone through your post in detail.I know your routine tests must have included FASTING BLOOD SUGAR AND THYROID
PROFILE , if not we need to do them.
I would like to know few things
Q1. Whats your age/weight?
Q2. How is your sleep, do you snore ?
Q3. Do you feel sleepy during daytime/or while reading/watching TV?
if you are obese
and answer to these question is yes.....you should be screened for Obstructive sleep apnea