Table 4.

Pearson Correlation Coefficients between Sleepiness Measures and Sleep Characteristics

Sample	Measure	Sleep Duration School Night	Sleep Duration Non-School Night	Sleep Debt
Normative
(n=411)	CASQ	−0.40***	−0.05	0.24***
	PDSS	−0.33***	−0.02	0.22***
	SSHS	−0.37***	−0.02	0.23***
Sleep
Disorders	CASQ	−0.34**	−0.02	0.20
(n=62)	PDSS	−0.24	0.14	0.29*
	SSHS	−0.18	−0.07	0.05

*p <0.05 **p <0.01 ***p <0.001