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Explore clear insights based on health data, research, and real-life examples — designed to help you stress less and recover smarter

Stationary stress: an office chair amid a red HRV waveform

July 23, 2026

133,328

Your heart doesn't know you're not running away from a lion. And that's the problem.

An elevated heart rate without movement quietly damages your cardiovascular system. Here's the mechanism — and what you can do about it.

Sedentary lifestyle

May 21, 2026

23,752

A new way to understand yourself: Daria Volkova introduces the Self-Discovery Experiment

Welltory introduces the Self-Discovery Experiment — a new way to understand what affects your energy in real time. Daria Volkova, Growth Product Manager, shares how it works.

New features

October 15, 2026

Are vacations overrated?

We compared five vacation types to see whether people came back recharged. Their body data showed no clear improvement in the first week after returning. People often slept worse and had lower energy scores on vacation. After coming home, their scores were generally close to where they started.

September 16, 2026

When basic needs aren't met, resting heart rate is higher

An analysis of 19.1 million resting heart-rate readings found that material hardship, including food, housing, utilities, and health insurance insecurity, was strongly linked to higher resting heart rates across U.S. states.

HRV

August 4, 2026

The four-day workweek: what the data and research actually show

What the trials, the peer-reviewed evidence, and recovery data actually show

Workplace Wellness

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September 12, 2026

Nervous system snapshot

A reading of your autonomic state at a single moment: how activated your nervous system is, how easily it settles, and how well its two branches are working together.

HRV

September 12, 2026

Measure HRV without a wearable

You can measure heart rate variability with your phone camera in about a minute — no ring, no watch, no extra hardware. What a camera reading gives you, how accurate it is, and when each app actually takes its measurement.

HRV

September 12, 2026

How accurate is HRV from a phone camera?

Camera, wrist, ring or chest strap — accuracy depends on where the sensor sits and whether you move. What the validation studies found, what they left out, and how to check your own.

HRV