Welcome to HCM
Graves Disease is a hyperthyroid condition where execssive amount of hormone is secreated from gland infront of neck ( Thyroid). Anti Thyroid drugs for years some times it is possible to get rid of drugs.
In your case as without drugs you are getting papitation and sleeplessness
and weightloss with good appetite may again indicate that you need to take medicines with lab reports if confirms hyperthyroid state by T3,T4 high result.
Once you are Normal Thyroid by drugs then you can discuss abut surgery which is permanat treatment for hyperthyroid.
Discuss with your Endocrinologist
good Luck to you