Smartwatch makers promise to turn your wrist into a sleep lab, translating tiny movements and heart rate blips into colorful ...

A recent study published in JAMA Network Open reveals that persistently favorable sleep patterns may reduce the risk of cardiovascular disease (CVD), even in individuals with higher genetic ...

Sleep bradycardia is a slow heart rate during sleep. It may be a natural, healthy sleep response or a sign of an underlying health issue. Most healthy adults have a heart rate between 60 and 100 beats ...

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 ...

This morning, I woke up to the alarm on my smartwatch. The first thing it displayed was a morning report, which detailed my sleep last night. According to my Garmin, I got six hours and 37 minutes of ...

Heart rate variability during sleep can predict stroke, depression or cognitive dysfunction years in advance, according to new research presented at the European Academy of Neurology Congress. The ...

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 ...