Analysis of relationships between the sound environment at the intensive care unit (ICU) and early signs of ICU delirium
High sound levels related to medical equipment and high activity day and night, is a wellknown phenomenon in intensive care units (ICUs). This may result in poor sleep and prolonged recovery for the patients but may also be a precipitating factor for intensive care delirium (ICU delirium).The aim of this pilot study was to describe patients' responses to the sound environment in an ICU and to iden