A member asked:

What can cause a fast heart rate and shakiness while i sleep?

A doctor has provided 1 answer

Dreaming: Falling off to sleep is associated with nervous system changes. Some jerking is experienced also some heart rate irregularities. During sleep itself there are various cycles of light and deep sleep. Dreaming, especially rem sleep, can be associated with heart rate changes. These are all normal physiologic responses.

Answered 11/27/2017

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