Objectives: To characterize acute alterations of circadian and ultradian rest-activity rhythms
in critically ill patients and their association with brain dysfunction, systemic multiple organ …

Background: Little is known about sleep and circadian rhythms in survivors of acute
respiratory failure (ARF) after hospital discharge. Objectives: To examine sleep and rest …

Circadian alignment of rest–activity rhythms is an essential biological process that may be
vulnerable to misalignment in critically ill patients. We evaluated circadian rest–activity …

Introduction It has been repeatedly shown that sleep of intensive care unit (ICU) patients is
fragmented and its architecture is impaired. As sleep disorders have numerous negative …

Sleep disturbances have been identified as one of the most distressing symptoms
experienced during hospitalization in an intensive care unit (ICU). 1, 2 Sleep in the ICU is …

The accuracy of actigraphy for sleep staging is assumed to be poor, but examination is
limited. This systematic review aimed to assess the performance of actigraphy in sleep stage …

Sleep in the intensive care unit (ICU) is considered to be subjectively poor, highly
fragmented, and sometimes referred to as “atypical.” Although sleep is felt to be crucial for …

Background: Mechanically ventilated Intensive Care Unit (ICU) patients often require wrist
restraints, contributing to immobility and agitation, over-sedation, and delirium. The …

Sleep is a complex process influenced by biological and environmental factors.
Disturbances of sleep quantity and quality occur frequently in the critically ill and remain …

Background Physical function is often poor in intensive care unit (ICU) survivors, yet
objective descriptions of sedentary behaviour and physical activity during acute …