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A member asked:
What causes your heart beat to beat 30-40 while sleeping?
5 doctors weighed in across 2 answers
Good fitness: Well fit individuals can have heart rate in the 30's to 40's while asleep.
Answered 3/24/2013
5.3k views
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Normal physiology: The vagus nerve is highly active during sleep and contributes to a slow heart rate. This is normal.
Answered 2/27/2018
5.3k views
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Related Questions
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Sometimes during the day i try to sleep or laying still, ill suddenly jerk rather hard. Also my heart rate increases before going to sleep. Causes?
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My heart beats very fast when i get up from sleep during day time what cocould be the reason?
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When i get up from sleep during day time sleep my heart beats very fast what could be the reason?
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A member asked:
Is there any evidence that sleeping less has a direct effect on the heart and what kind of damage can it cause?
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