Studies have found that using a mobile phone for long hours can lower HRV levels.

研究发现，长时间用手机会导致HRV水平降低。

The Nettox device makes a sound when HRV and blood oxygen levels fall, which reminds wearers to stop using their phones.

当HRV血氧水平下降时，Nettox设备会发出警示，提醒用户用手机。

It's the biggest improvement in most people's HRV, is adding electrolytes to your water.

在大多数人中，HRV最大的改善来自于在水中添加电解质。

Honda's HRV, for example, is the sibling of that discontinued Honda Fit.

例如，本田HR-V就是那款已产的本田飞度的姊妹车型。

Like have you seen that typically play out with like HRV scores or things like that.

像HRV得分这类指标，你通常看到它是怎么变化的吗？

HRV readings can change depending on if the user is a man or woman, and what their body shape and health conditions are.

HRV读数可根据用者的两特征，以及他们的体型健康状况而变化。

HRV, heart rate variability, has made its way finally into the forefront of exercise physiology and even into the popular discussion.

变异 (HRV) 最终进入了运动生理学的前沿领域，甚至成为了热门话题。

Users wear it on their arm. The device has a sensor that measures hemoglobin oxygen levels and changes to the heart rate called HRV.

用户需要将它戴在手臂上。该设备附带的传感器可测量血红蛋白氧水平变异（HRV）。

So the HRV tracks your autonomic nervous system, which is made up of your sympathetic and your parasympathetic nervous systems.

因此，变异（HRV）监测的是你的自主神经系统，该系统由交感神经系统副交感神经系统组成。

And so what I started to see is the quality of water and how much I was drinking, HRV, it's the biggest.

于是我开始注意到水质我喝了多少水，这对HRV的影响是最大的。

So that's where my brain went, okay, I just need to do things and track what markedly changes my HRV.

于是我的思路转向了这里， 好吧，我只需采取行动并追踪哪些因素显著改变了我的HRV。

You got to have the cardio, you got to have the, you know, the HRV, like all that stuff has to be good.

你必须有良好的肺耐力，必须保持变异（HRV）等指标在理想状态，所有这些方面都必须达到良好标准。

And the basis of all of the practices I teach is actually rooted in what will impact your heart rate variability, or your HRV.

我教授的所有实践方法的基础， 实际上都植根于那些能够影响你的变异，即HRV的因素。

So I was wearing the whoop while writing the book, and I was starting to notice my HRV change in these really small incremental ways.

所以在写书的时候我一直戴着Whoop设备，开始注意到我的HRV以非常细微的方式逐渐发生变化。

Your cortisol drops, your HRV improves, your blood vessels dilate, so it really does When you are laughing, it puts your body into a recovery state.

你的皮质醇水平下降， 变异提高，血管扩张， 所以当你笑的时候，身体确实进入了恢复状态。

Because I had a really, really low HRV.

因为我当时的HRV数值真的非常低。

Whereas if I've done a proper like HRV assessment, not using an aura ring or a whoop I've done, I've actually had a proper electrodes placed onto me to truly assess my HRV.

而如果我做了正规的变异评估，不是用光环戒指或Whoop设备，而是真正将电极贴到我身上来准确评估我的变异。