<s>[INST] i m 38 yrs old and have been violently rocking my head back and forth all my life, no1 will sleep beside me but i,m not even aware i be doing it. i ve started having pains in my neck. i used to also rock back and forth sitting upright on sofa or chair, how do i stop this?? HELP PLEASE! [/INST] Hello, Consult a neurologist and get evaluated. We have to rule out possible causes like movement disorders. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Shinas Hussain, General & Family Physician </s>