Recovery has become a fitness buzzword. But what does it actually mean? • Does a high recovery score mean you should train hard? • Does a low score mean y...

For decades, fitness culture focused almost entirely on how hard you could train. More volume. More intensity. More sweat. But the modern understanding of...

A lot of people think recovery means removing stress. More rest days. More relaxation. More ways to stay comfortable. But real recovery isn’t about avoidi...

Heart Rate Variability (HRV) has become a widely used metric in fitness apps — and it’s at the core of how Morpheus calculates your Recovery Score. But wha...

People often treat HRV like heart rate or steps — a universal number that should match across devices. It’s not. Heart rate is straightforward: beats per ...

Heart rate variability can be measured in different ways depending on the device and timing.  Two common approaches are: Overnight passive HRV from a wri...

When people start tracking HRV, one of the first questions they ask is: “Which device is the most accurate?” Accuracy does matter.  But for tracking trend...

It’s very common to hear people say things like: “My HRV is only 42 — is that bad?” “My friend’s HRV is 95 and mine is 55… am I less fit?” These compariso...

One of the biggest mistakes people make with HRV and resting heart rate (RHR) is assuming there’s a universal “good” number.  There are averages and norms a...

Many people eventually look up “normal HRV for my age and sex” and discover their number is consistently below averages.  That can feel discouraging, especi...