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<jats:sec><jats:title>Background</jats:title><jats:p> Studies consistently report deranged sleep in patients admitted to intensive care unit. Poor sleep has harmful physical and cognitive effects, and an evidence-based intervention to improve sleep is needed. It is, however, difficult to measure sleep in the intensive care unit. ‘Gold standard’ monitoring (polysomnography) is unsuitable for usual care. </jats:p></jats:sec><jats:sec><jats:title>Methods</jats:title><jats:p> We collected concurrent sleep data from electroencephalograph recordings, activity monitoring, and nurse- and patient-completed Richards-Campbell Sleep Questionnaires (RCSQ). </jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p> Electroencephalograph data (n = 34) confirm poor sleep. Individual bouts last approximately 1 min and around 2 h of sleep overnight is common. Correlation between electroencephalograph, self-report, nurse-report, actigraphy and overall activity score is low (ρ = 0.123 (n = 24), 0.127 (n = 22), and 0.402 and − 0.201 (n = 13), respectively). Correlation between nurse and patient assessment is limited (ρ = 0.537 (n = 444)). </jats:p></jats:sec><jats:sec><jats:title>Conclusions</jats:title><jats:p> No current method of sleep monitoring seems suitable in the intensive care unit. However, to facilitate comparison across studies, the patient-completed RCSQ seems the most meaningful measure. </jats:p></jats:sec>

Original publication

DOI

10.1177/1751143718816910

Type

Journal article

Journal

Journal of the Intensive Care Society

Publisher

SAGE Publications

Publication Date

02/2020

Volume

21

Pages

22 - 27