I have a neck pain for the past two years . I had taken tablets for that. In Feb , I visited ortho , I had taken tablets. The ortho told me do morning walks. After intake of tablets for 10 days, There was less pain. But after doing the morning walk and came to rest, there is a heart beat coming rapidly only while laying in bed. At some times, body shakens during sleep. And heart beat rises. These are happening while during sleep. I went to matrix rhythm physiotherapy and now my neck pain is okay. But I got conditions like heart beat rises and sudden heart beat rises when the objects fall too. What is my condition in this ? Please explain. Also is this symptoms of what disease