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

Table 6

Comparison of sleep quality of 4 nights among group 2 (N = 30).

Variable	Assessment	Mean ± SD	F value	value
Sleep quality	1^st night	25.97 ± 5.26	71.59	0.001
	2^nd night	16.07 ± 4.04
	3^rd night	24.17 ± 4.13
	4^th night	12.43 ± 5.2

RM ANOVA (Repeated Measures Analysis of Variance ).