Sleep Promotion among Critically Ill Patients: Earplugs/Eye Mask versus Ocean Sound—A Randomized Controlled Trial Study

Table 5

Comparison of sleep quality of 4 nights among group 1 (N = 30).

Variable	Assessment	Mean ± SD	F value	value
Sleep quality	1^st night	23.23 ± 4.77	73.80	0.001
	2^nd night	10.9 ± 5.06
	3^rd night	23.67 ± 2.95
	4^th night	16.10 ± 3.88

RM ANOVA (Repeated Measures Analysis of Variance ).