Heartbeat -

We treat the heart like a motor to be maintained rather than a voice to be heard. We measure the numbers but ignore the narrative. Before you close this tab, I want you to do something.

More Than a Pulse: The Hidden Power of a Heartbeat

But here is the weird part: your heart isn't a metronome. It doesn't beat at a perfectly steady rate. Healthy hearts have a phenomenon called Heart Rate Variability (HRV). When you breathe in, your heart speeds up slightly. When you breathe out, it slows down.