Oura reports that heart rate variability (HRV) measures the variation in heartbeat timing, reflecting stress levels and ...

When one partner is stressed, the other feels it too—not just emotionally, but on a biological level. New research on heart ...

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 ...

Real-time and early detection of minute changes in the functioning of the cardiovascular system is crucial for managing ...

The rhythmic beating of your heart tells a more complex story than most realize. While standard health assessments typically focus on heart rate, the subtle variations between individual heartbeats ...

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Scientists have a lot to learn about the connection between sleep and stress, but one thing is clear: They're both trending in the wrong direction. As revealed in a recent Gallup poll, the proportion ...

Personalizing overnight fasting by stopping food intake three hours before sleep improves blood pressure and blood sugar control without calorie counting.