In recent years, there has been a significant expansion in the development and use of multi-
modal sensors and technologies to monitor physical activity, sleep and circadian rhythms …

Background In the intensive care unit (ICU), inactivity is common, contributing to ICU-
acquired weakness and poor outcomes. Actigraphy may be useful for measuring activity in …

Objectives Gold‐standard overnight polysomnography does not reliably capture highly
variable sleep patterns across the 24‐hour day that are common with dementia and often …

Quality of life (QoL) indicators are now being adopted as clinical outcomes in clinical trials
on cancer treatments. Technology-free daily monitoring of patients is complicated, time …

Abstract Human Computer Interaction (HCI) is a research field which aims to improve the
relationship between users and interactive computer systems. A main objective of this …

Recently, measuring the complexity of body movements during sleep has been proven as
an objective biomarker of various psychiatric disorders. Although sleep problems are …

Wearable accelerometry (actigraphy) has provided valuable data for clinical insights since
the 1970s and is increasingly important as wearable devices continue to become …

It has been estimated that as many as 41% of individuals will experience depression at
some point in their lives, a serious and debilitating mental illness. One way to improve the …

Circadian rhythms are involved in many human behaviors and biological signals. The critical
role of circadian rhythm in maintaining homeostasis is well established, in which …

Actigraphy is a simple and non-invasive method of monitoring human motor activity. While
the recordings are obtained from accelerometers in a simple manner, the analysis and …