Over the last decades, assessment of heart rate variability (HRV) has increased in various fields of research. HRV describes changes in heartbeat intervals, whi

Heart rate variability (HRV) has become a popular method to study autonomic modulation of the cardiovascular system. Cardiovascular health depends on the proper

The development of a new tool, analytic device, or approach frequently facilitates rapid growth in scientific understanding, although the process is seldom line