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Earplugs reduce confusion in critical care patients: A randomised trial of 136 patients in intensive care has found that fitting them with earplugs at night halves the risk of confusion or delirium (hazard ratio 0.47 (95% confidence interval 0.27 to 0.82)). Of the patients who developed confusion, those who slept with earplugs became confused later than those who didn’t. And after the first night more of the patients with earplugs reported a better night’s sleep (Critical Care 2012;16:R73, doi:10.1186/cc11330).

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