The Manual on MSN

Science reveals how hydration can influence your heart rate variability

It turns out, there’s a link between your hydration and heart rate variability. Here’s a look at the science. The post ...
Medical News Today

What to know about heart rate variability

Heart rate variability (HRV) is the variation in the time between two consecutive heartbeats over a specific period. Doctors may use HRV as an indicator for certain aspects of a person’s health, ...
EurekAlert!

Variability in heart rate during sleep may reveal early signs of stroke, depression or cognitive dysfunction, new study shows

(Helsinki, Finland, Saturday, 21 June 2025) New research, presented today at the European Academy of Neurology (EAN) Congress 2025, has uncovered a powerful link between nighttime heart rhythm and ...
News Medical

Study links sleep heart rate variability to stroke and depression risk

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 ...
News Medical

Does COVID-19 affect heart rate variability after recovery?

Brazilian researchers reveal that even mild cases of COVID-19 can temporarily reduce heart rate variability, with stress on the autonomic nervous system lasting up to six months—especially in older ...