• Laurie Showler, Adam M Deane, Edward Litton, Melissa J Ankravs, Bradley Wibrow, Deborah Barge, Jeremy Goldin, Naomi Hammond, Manoj K Saxena, Paul J Young, Bala Venkatesh, Mark Finnis, and Yasmine Ali Abdelhamid.
• Department of Critical Care, Melbourne Medical School, University of Melbourne, Melbourne, Victoria, Australia.
• Crit Care Resusc. 2024 Sep 1; 26 (3): 192197192-197.

ObjectiveCritically ill patients suffer disrupted sleep. Hypnotic medications may improve sleep; however, local epidemiological data regarding the amount of nocturnal time awake and the use of such medications is needed.DesignPoint prevalence study.SettingAdult ICUs in Australia and New Zealand.ParticipantsAll adult patients admitted to participating Intensive Care Units (ICUs) on the study day.Main Outcome MeasuresTime awake overnight (22:00-06:00) was determined by structured nurse observation. The use of enterally administered sedative-hypnotic drugs prior to and during ICU admission was recorded, as was the use of a unit policy and non-pharmacological sleep promotion strategies.ResultsData were available for 532 patients admitted to 40 ICUs (median age 60 years, 336 (63.2%) male, and 222 (41.7%) invasively ventilated). Forty-eight patients (9.0%) received an enteral pharmacological sleep aid, of which melatonin (28, 5.2%) was most frequently used. Patients not invasively ventilated were observed to be awake overnight for a median of 4.0 h (interquartile range (IQR): 2.5, 5.5), with no difference in those receiving an enteral hypnotic (p = 0.9). Non-pharmacological sleep aids were reportedly not offered or available for 52% (earplugs) and 63% of patients (eye masks). Only 7 (17.5%) participating ICUs had a policy informing sleep-optimising interventions.ConclusionsPatients not receiving invasive ventilation appeared to spend many nocturnal hours awake. Pharmacological sleep aid administration was not associated with a greater observed time asleep. Most patients did not receive any non-pharmacological aid, and most ICUs did not have a local guideline or unit policy on sleep promotion.© 2024 The Authors.

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