Thank you for posting your query.
The constant heaviness could be related to lack of sound sleep, and stress
. It is good to note that all your tests are normal, and a renowned physician has declared you normal.
If symptoms persist, please meet a neurologist
Please get back if you require any additional information.
Dr Sudhir Kumar MD (Internal Medicine), DM (Neurology)
Senior Consultant Neurologist
Apollo Hospitals, Hyderabad,
My personal URL on this website: http://bit.ly/Dr-Sudhir-kumar
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My blog: http://bestneurodoctor.blogspot.com/