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Can I have a cardiac arrhythmia happen while I sleep.

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Yes. A cardiac arrhythmia --an irregular heart rhythm -- can happen during REM sleep, particularly if you have coronary artery disease, or if the way you breathe when you sleep gives you low blood oxygen. CPAP treatment can lower your odds of it.

From: Sleep Disorders and Parasomnias WebMD Medical Reference

Reviewed by Nayana Ambardekar on September 18, 2018
Reviewed by Nayana Ambardekar on September 18, 2018

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What is rapid eye movement (REM) sleep behavior disorder?

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