Sleep quality and duration play an important role in human health 1. Accurate methods for sleep assessment are needed to monitor the prevalence of poor sleep, to increase our understanding of the ...

Objective Self-reports of physical activity (PA) have been the mainstay of measurement in most non-communicable disease (NCD) surveillance systems. To these, other measures are added to summate to a ...

Wrist worn raw-data accelerometers are used increasingly in large-scale population research. We examined whether sleep parameters can be estimated from these data in the absence of sleep diaries. Our ...