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How does your heart know to continue to beat while you sleep?

2 Answers

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Answer: The vagus nerve

Step-by-step explanation:

When you're resting or sleeping and you don't need a very fast heart rate, then the parasympathetic nervous system slows down your heart via a nerve called the vagus nerve

User Danieltahara
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Answer: Your nervous system slows down your heart via a nerve called the vangus nerve.

Step-by-step explanation:When you're resting or sleeping and you don't need a very fast heart rate, then the parasympathetic nervous system slows down your heart via a nerve called the vagus nerve.

User Nsandersen
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