Table 1. Comparison quality of sleep during the hospitalization nights in the control and intervention group with friedman test .

‏ Group Time	Intervention Mean-rank	Control Mean-rank
First night of hospitalization	2.65	2.56
First night after intervention	2.45	2.63
Second night after intervention	2.48	2.53
Third night after intervention	2.42	2.29
Statistical Test	14.50	15.83
Significant Level	P=0.002	P=0.001