NeumanB. (2002). The Neuman systems model. In NeumanB. & FawcettJ. (Eds.), The Neuman systems model (4th ed. pp. 3–33). Upper Saddle River, NJ: Prentice Hall.
4.
SimpsonT., LeeE. R., & CameronC. (1996). Patients' perceptions of environmental factors that disturb sleep after cardiac surgery. American Journal of Critical Care, 5(3), 173–181.
5.
TranmerJ. E., MinardJ., FoxL. A., & RebeloL. (2003). The sleep experience of medical and surgical patients. Clinical Nursing Research, 12(2), 159–173.
