You might be familiar with HRV—heart rate variability—as a popular training tool for workouts and a biomarker for measuring exercise recovery. Beyond exercise tracking, heart rate variability has a ...

New research, presented today at the European Academy of Neurology (EAN) Congress 2025, has uncovered a powerful link between nighttime heart rhythm and future health conditions, even in people with ...

Micro-fluctuations in the time between heartbeats are proving a helpful indicator of mental health, stress levels, exercise capacity and even how well you are ageing.

Fitness trackers and smart watches are widely popular wearable devices that measure several types of health metrics, including step count, calories burned, sleep quality, Vo2 max and heart rate. As a ...

If you’ve seen the 4-7-8 breathing method come up on wellness TikTok or in conversations about sleep hygiene, you’re not ...

What is heart rate variability (HRV)? As popular as the metaphor may be, a healthy heart doesn’t beat as regularly as a metronome. In fact, it changes its rhythm with each beat. Heart rate variability ...

LOS ANGELES, CA - May 25, 2026 - PRESSADVANTAGE - CUDIS has launched the 002 Classic, a 3-gram titanium smart ring that ...

A study on 42,759 menstrual cycles shows that sleep quality affects menstrual health, with implications for physiological ...

Why are conditions such as chronic stress, depression, cardiovascular disease, fragmented sleep, and aging all associated ...

Google just dropped sleep tracking to $99 with no subscription required. The new Fitbit Air is the most affordable serious sleep tracker on the market right now — but a growing body of research ...