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Factors influencing sleep quality among Jordanian intensive care patients.

Sleep disturbance is common in patients in the intensive care unit (ICU). Numerous factors can contribute to this. High noise and light levels, nursing interventions and medication administration are major factors. This study investigated the demographic and environmental factors that might adversely affect ICU patients' quality of sleep. Data were collected from 103 patients using a demographic data sheet, the Freedman Quality of Sleep Scale and the Richards-Campbell Sleep Scale. Patients' demographic characteristics were found to have no significant effects on their perceived quality of sleep. Environmental factors, including noise, light, nursing interventions, diagnostic testing, the administration of medication, talking and phones ringing, were significantly related to the patients' perceived quality of sleep.