Effects of Improved Environment on Sleep, Anxiety-Depression

"The patients who underwent open heart surgery and who were in the experimental group were admitted to the ward from the postoperative intensive care unit and the environment was improved for three days based on the improved environment of Watson's HCT, and on the morning of the fourth day in the clinic, the patients were interviewed face to face and the Personal Information Form, RSCQ and HAD Scale were completed. The following improvements were implemented within the scope of environmental improvement:~* Considering the seasonal conditions, the patient room was ensured to have appropriate temperature (18-26 °C) and humidity values (30-60%), and the temperature and humidity were gradually reduced and maintained in the appropriate range by monitoring at 21:00, 22:00, and 23:00 (Days 1, 2, and 3)~* In line with the environmental arrangements, the brightness of the light in the patient room was gradually reduced at 21:00, 22:00, and 23:00 using the Light Meter LM-3000 (Days 1, 2, and 3)"