The aim of this randomized controlled trial was to examine the effect of an improved environment on sleep, anxiety, and depression in patients undergoing open heart surgery. This study aims to answer the following main questions: * According to Watson's Human Care Theory, what is the effect of the improved environment on patients' sleep level and sleep quality? * According to Watson's Human Care Theory, what is the effect of the improved environment on patients' anxiety and depression levels? In order to observe the effect of the improved environment on sleep, anxiety, and depression, the researchers ensured that the room temperature, humidity, and lumen range of the light were at the appropriate level in the first 3 days after the surgery of the patients in the experimental group and gradually decreased them gradually.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Improved sleep quality with optimised environment
Timeframe: The first three days after transfer from intensive care to the ward
Improvement in anxiety levels with improved environment
Timeframe: The first three days after transfer from intensive care to the ward
Improvement in depression levels with improved environment
Timeframe: The first three days after transfer from intensive care to the ward