Wearable sleep-tracking technology is of growing use in the sleep and circadian fields,
including for applications across other disciplines, inclusive of a variety of disease states …

Advances in consumer electronics, alongside the fields of microfluidics and nanotechnology
have brought to the fore low-cost wearable/portable smart devices. Although numerous …

The primary aim of this study was to examine the validity of six commonly used wearable
devices, ie, Apple Watch S6, Garmin Forerunner 245 Music, Polar Vantage V, Oura Ring …

This study was designed to examine the RR interval signal qualities of a Holter device and a
heart rate chest belt monitor at rest and during exercise. Ten healthy individuals completed …

It has been demonstrated that heart rate variability (HRV) is predictive of all-cause and
cardiovascular mortality using clinical ECG recordings. This is true for rest, exercise and …

Heart rate variability (HRV) is a measurement of the fluctuation of time between each
heartbeat and reflects the function of the autonomic nervous system. HRV is an important …

Background: A growing number of wearable devices claim to provide accurate, cheap and
easily applicable heart rate variability (HRV) indices. This is mainly accomplished by using …

Background and objective Heart rate variability (HRV) has been proposed as a useful
marker that can show the performance adaptation and optimize the training process in elite …

A comprehensive monitoring of fitness, fatigue, and performance is crucial for understanding
an athlete's individual responses to training to optimize the scheduling of training and …

Background Advancements in wearable technology have provided practitioners and
researchers with the ability to conveniently measure various health and/or fitness indices …