The rhythm of a healthy heart may seem steady, but underneath that regular thump lies a rich, ever-changing pattern. These beat-to-beat changes, known as heart rate variability, or HRV, reveal much ...

The study by Griffith University in Brisbane finds that a room temperature while sleeping of more than 24 degrees Celsius ...

Maintaining a bedroom temperature of 24°C at night while sleeping reduces stress responses in older adults, according to new ...

Sleep affects multiple physiological systems; however, a comprehensive overview has not yet been reported. A study published in Nature Medicine analyzed sleep characteristics in adults and their ...

Over 70 million Americans wear digital activity trackers (DATs) to record their sleep, steps and heart rate. A new study from Scripps Research found that these devices could also provide insight into ...

Smartwatches and wearable heart monitors can help detect issues such as irregular heart rhythms. But they also have limits and do not replace a diagnosis.

Tracking key heart health metrics every day helps you understand how your lifestyle affects your cardiovascular system and empowers you to take proactive steps toward better heart health. Heart ...

Promising new research suggests one zen activity could cut the time of opioid withdrawal in half — and it can be done just ...