The autonomic nervous system has two parts: the sympathetic and the parasympathetic nervous systems.

自主神经系统又分为两部分：交感神经系统和副交感神经系统。

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Yoga activities the parasympathetic nervous system while excercise the sympathetic nervous system.

瑜伽活跃副交感神经零碎，同时也锻炼了交感神经零碎。

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This will activate your parasympathetic nervous system which will calm you down and slow your heart rate.

这样能激活副交感神经，有助于安神和降低心率。

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Deep breathing activates the body's parasympathetic nervous system, which is essential for relaxation.

CNN: I see a bad mood rising

People under harmful stress lose the ability to re-engage the parasympathetic nervous system, which drives the body's day-to-day natural functions, including digestion and sleep.

WSJ: When Stress Is Good for You