Table 3.

Scores of PSQI among post myocardial infarction patients (n = 180).

Components of Sleep quality	Score (Mean ± SD)
Subjective sleep quality	0.87 ± 0.07
Sleep latency	1.33 ± 0.10
Sleep duration	1.47 ± 0.09
Habitual sleep efficiency	0.11 ± 0.08
Sleep disturbances	1.38 ± 0.06
Use of sleep medications	0.13 ± 0.06
Day time dysfunction	0.93 ± 0.08
Global PSQI Score	6.95 ± 2.82

Note: PSQI = Pittsburgh Sleep Quality Index.