Table 2. Comparison mean of sleep quality during the hospitalization nights in the control and intervention groups .

Time of intervention	Significant difference
	Intervention group	Control group
First night of hospitalization via first night after intervention	P=0.01	P=0.31
First night after intervention via second night after intervention	P=0.31	P=0.08
Second night after intervention via third night after intervention	P=0.15	P=0.15
First night after intervention via third night after intervention	P=0.564	P=0.56
First night of hospitalization via third night after intervention	P=0.008	P=0.008