International archives of occupational and environmental health
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Int Arch Occup Environ Health · Jan 2016
Clinical TrialShift work and quality of sleep: effect of working in designed dynamic light.
To examine the effect of designed dynamic light on staff's quality of sleep with regard to sleep efficiency, level of melatonin in saliva, and subjective perceptions of quality of sleep. ⋯ The study found no significant differences in monitored sleep efficiency and melatonin level. Nurses from the intervention-ICU subjectively assessed their sleep as more effective than participants from the control-ICU.