Table 4.

Correlation between the sub-scales of PSQI and sleep health.

	The behaviors of sleep cycle and wake - up	Bedroom agents	Effective sleep behaviors	Whole Scores
SSQ	0.174**	0.144**	0.384**	0.345**
SL	0.181**	0.083*	0.267**	0.259**
SDu	0.043	0.04	0.169**	0.112**
HSE	0.117**	0.043	0.021	0.059
SD	0.209**	0.139**	0.389**	0.362**
USM	0.186**	0.15**	0.2**	0.258**
DD	0.165**	0.112**	0.342**	0.294**
TSQ	0.229**	0.138**	0.38**	0.363**

Abbreviations: SSQ= Subjective Sleep Quality, SL- Sleep Latency, SDu= Sleep Duration, HSE= Habitual Sleep Efficiency. SD= Sleep Disturbances, USM= Use of Sleeping Medication, DD= Daytime Dysfunction, TSQ= Total Sleep Quality.

^*Significant in <0.05.

^**Significant level in <0.01.