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 …

Metabolic syndrome is a prevalent condition in adults over the age of 65 and is a risk factor
for developing cardiovascular disease and type II diabetes. Thus, methods to track the …

The transition from pregnancy into parturition is physiologically directed by maternal, fetal
and placental tissues. We hypothesize that these processes may be reflected in maternal …

The use of consumer wearable devices (CWDs) to track health and fitness has rapidly
expanded over recent years because of advances in technology. The general population …

Smartphones have become an integral part of people's everyday lives. Smartphones are
used across all household locations, including in the bed at night. Smartphone screens and …

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 …

Purpose: To assess the reliability of nocturnal heart rate (HR) and HR variability (HRV) and
to analyze the sensitivity of these markers to maximal endurance exercise. Methods …

Resistance training is an exercise modality that involves using weights or resistance to
strengthen and tone muscles. It has become popular in recent years, with numerous people …

Background Commercial activity trackers are increasingly used in research and compared
with research-based accelerometers are often less intrusive, cheaper, with improved storage …

Heart rate time series are widely used to characterize physiological states and athletic
performance. Among the main indicators of metabolic and physiological states, the detection …