TABLE 2.

Overall sleep quality and components among nursing faculty (N = 105)

PSQI component/Domain	M (SD)	Mdn (25th, 75th) a	Range (min, max)
Global PSQI score	8.14 (3.81)	7 (5,11)	1, 17
Subjective sleep quality	1.24 (0.66)	1 (1,2)	0, 3
Sleep latency	1.56 (1.06)	1 (1,3)	0, 3
Sleep duration	0.92 (1.01)	1 (0,2)	0, 3
Habitual sleep efficiency	0.67 (0.94)	0 (0,1)	0, 3
Sleep disturbance	1.54 (0.56)	2 (1,2)	1, 3
Use of sleep medication	1.15 (1.29)	1 (0, 3)	0, 3
Daytime dysfunction	1.06 (0.74)	1 (1,1)	0, 3

Abbreviation: PSQI, Pittsburgh Sleep Quality Index.

^a 25th and 75th percentile.