Observational studyCritical care (London, England)2021
The feasibility and reliability of actigraphy to monitor sleep in intensive care patients: an observational study.
Observational study in Critical care (London, England), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 2 of them syntheses that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
15 citing papers in PubMed, 2 syntheses or guidelines pooled it, 34 citations in OpenAlex.
- Sleep quality assessment in hospitalized postoperative surgical patients: a COSMIN-based systematic review.Frontiers in sleep · 2025Pooled it
- Depressive symptom screening in elderly by passive sensing data of smartphones or smartwatches: A systematic review.PloS one · 2024Pooled it
- Correlation of the Thai Richards-Campbell Sleep Questionnaire and actigraphy with polysomnography for sleep assessment in ICU patients.Scientific reports · 2026Trial
- Wearable Sleep and Circadian Monitoring in Intensive Care Nursing: A Scoping Review.Nursing in critical care · 2026Article
- Evidence-Based Intervention for Sleep Deprivation in the Intensive Care Unit: A Clinical Review.Florence Nightingale journal of nursing · 2026Article
- Clinical Care Interaction and Patient Sleep in the Intensive Care Unit: A Secondary Data Analysis.Nursing in critical care · 2026Article
- Objectively measured sleep regularity, weekend recovery sleep, and the risk of incident type 2 diabetes: a prospective cohort study from the UK Biobank.International journal of surgery (London, England) · 2026Article
- Sleep Quality Assessment in Intensive Care Units: Comparing Actigraphy and the Richards Campbell Sleep Questionnaire-A Pilot Study in the Moroccan Context.Clocks & sleep · 2025Article
- Translation and Validation of the Richards-Campbell Sleep Questionnaire for Intensive Care Unit Patients in Morocco: Reliability and Validity Assessment.Clocks & sleep · 2025Article
- Quantitative Impact of Traditional Open Surgery and Minimally Invasive Surgery on Patients' First-Night Sleep Status in the Intensive Care Unit: Prospective Cohort Study.Journal of medical Internet research · 2024Article
- Noninvasive monitoring technologies to identify discomfort and distressing symptoms in persons with limited communication at the end of life: a scoping review.BMC palliative care · 2024Article
- Article
- Efforts to improve sleep quality in a medical intensive care unit: effect of a protocol of non-pharmacological interventions.Sleep & breathing = Schlaf & Atmung · 2022Article
- Reduction of the Cycle Time in the Biopsies Diagnosis Through a Simulation Based on the Box Müller Algorithm.Frontiers in public health · 2022Article
- Feasibility and Acceptability of Using Wireless Limited Polysomnography to Capture Sleep Before, During, and After Hospitalization for Patients With Planned Cardiothoracic Surgery.The Journal of cardiovascular nursingArticle
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundSleep amongst intensive care patients is reduced and highly fragmented which may adversely impact on recovery. The current challenge for Intensive Care clinicians is identifying feasible and accurate assessments of sleep that can be widely implemented. The objective of this study was to investigate the feasibility and reliability of a minimally invasive sleep monitoring technique compared to the gold standard, polysomnography, for sleep monitoring.
methodsProspective observational study employing a within subject design in adult patients admitted to an Intensive Care Unit. Sleep monitoring was undertaken amongst minimally sedated patients via concurrent polysomnography and actigraphy monitoring over a 24-h duration to assess agreement between the two methods; total sleep time and wake time.
resultsWe recruited 80 patients who were mechanically ventilated (24%) and non-ventilated (76%) within the intensive care unit. Sleep was found to be highly fragmented, composed of numerous sleep bouts and characterized by abnormal sleep architecture. Actigraphy was found to have a moderate level of overall agreement in identifying sleep and wake states with polysomnography (69.4%; K = 0.386, p < 0.05) in an epoch by epoch analysis, with a moderate level of sensitivity (65.5%) and specificity (76.1%). Monitoring accuracy via actigraphy was improved amongst non-ventilated patients (specificity 83.7%; sensitivity 56.7%). Actigraphy was found to have a moderate correlation with polysomnography reported total sleep time (r = 0.359, p < 0.05) and wakefulness (r = 0.371, p < 0.05). Bland-Altman plots indicated that sleep was underestimated by actigraphy, with wakeful states overestimated.
conclusionsActigraphy was easy and safe to use, provided moderate level of agreement with polysomnography in distinguishing between sleep and wakeful states, and may be a reasonable alternative to measure sleep in intensive care patients. Clinical Trial Registration number ACTRN12615000945527 (Registered 9/9/2015).
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