More details needed: There are multiple reasons why people can have a racing heart. This could be cardia related such as arrhythmia (irregular heart beat) or panic (yes people can have panic in their sleep). If it only happens at night while sleeping it could also be sleep apnea. I would suggest that he sees his primary care doc about this, as most causes are treatable.
Answered 7/29/2012
5.7k views
See below: A heart arrythimia, called v-tach may do this. He should be seen and have an ekg.
Answered 7/20/2012
5.7k views
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