Table 1. The Mean and standard deviation of quality of sleep and its dimensions.

Quality of sleep and its dimensions	Mean (SD)
Global PSQI	10.45 (4.54)
Sleep quality dimensions
Sleep duration	1.83 (0.97)
Sleep disorders	1.72 (0.64)
Sleep latency	1.98 (1.20)*
Daytime dysfunction	1.63 (0.76)
Subjective sleep quality	1.26 (0.82)
Use of sleep medications	0.4 (1.24)
Sleep sufficiency	1.26 (1.28)

* highest mean = the most problems