Table 5.

Correlation analysis of emotion, alertness and sleeping parameters.

	SAS	SDS	KSS	Positive emotions	Negative emotions
SOL (min)	0.440 *	0.331*	0.113	0.062	0.351*
TST (min)	−0.004	0.030	0.148	−0.096	0.068
SE (%)	−0.244*	−0.200*	0.069	−0.080	−0.169
WASO (min)	0.180	0.164	−0.095	0.057	0.127
NWAK (times)	0.227*	0.241*	−0.094	0.098	0.221*
NMA (times)	0.104	0.112	−0.129	−0.106	0.084
MAI	0.107	0.107	−0.143	−0.055	0.066
N1%	0.057	0.076	−0.141	0.048	0.040
N2%	0.111	0.094	−0.022	0.073	0.071
N3%	−0.066	−0.083	0.058	−0.019	−0.116
R%	−0.108	−0.074	0.086	−0.128	0.024
Rem period number of cycles (number)	0.010	0.082	0.081	0.014	0.143
Rem period SOL (min)	0.123	0.139	−0.150	−0.039	0.028
Rem period NMA (times)	0.216*	0.143	0.044	−0.034	0.298*
Rem period MAI (times)	0.247*	0.113	−0.003	0.020	0.250*

^*indicates statistically significant difference (p < 0.05).