Activity-based sleep-wake monitoring or actigraphy has gained a central role as a sleep
assessment tool in sleep medicine. It is used for sleep assessment in clinical sleep research …

The use of actigraphs, or ambulatory devices that estimate sleep–wake patterns from activity
levels, has become common in pediatric research. Actigraphy provides a more objective …

Movement-based sleep-wake detection devices (ie, actigraphy devices) were first
developed in the early 1970s and have repeatedly been validated against …

This article presents a review of signals used for measuring physiology and activity during
sleep and techniques for extracting information from these signals. We examine both clinical …

Consumer sleep tracking devices such as fitness trackers and smartphone apps have
become increasingly popular. These devices claim to measure the sleep duration of their …

Increasingly, behavioral and epidemiological research uses activity-based measurements
(accelerometry) to provide objective estimates of physical activity, sedentary behavior, and …

Traditionally, sleep monitoring has been performed in hospital or clinic environments,
requiring complex and expensive equipment set-up and expert scoring. Wearable devices …

Accurately measuring sleep and its quality with polysomnography (PSG) is an expensive
task. Actigraphy, an alternative, has been proven cheap and relatively accurate. However …

Consumer activity trackers claiming to measure sleep/wake patterns are ubiquitous within
clinical and consumer settings. However, validation of these devices in sleep disorder …

Sleep disturbances in the intensive care unit (ICU) seem to lead to development of delirium,
prolonged ICU stay, and increased mortality. That is why sufficient sleep is important for …