Table 3.

Correlations Between Sexual Behavior, Morningness–Eveningness, and Sleep Variables.

Relationship Between Sleep and Sexual Behavior		MA	EV	DI	MS	Sleep Duration
Age	r	.045	−.072**	−.104**	−.267**	−.164**
	p	.054	.002	<.001	<.001	<.001
Number of children	r	.067**	−.111**	−.075**	−.296**	−.138**
	p	.004	<.001	.001	<.001	<.001
Age at first intercourse	r	.022	−.054*	−.065**	−.138**	−.004
	p	.370	.026	.008	<.001	.858
Extroversion	r	.225**	−.061**	−.156**	−.002	.020
	p	<.001	.009	<.001	.922	.389
Sociosexual Orientation: desire	r	−.098**	.188**	.016	.217**	−.078**
	p	<.001	<.001	.488	<.001	.001
Sociosexual Orientation: behavior	r	−.063**	.067**	.039	.191**	−.038
	p	.007	.004	.090	<.001	.103
Sociosexual Orientation: attitude	r	−.053*	.095**	−.003	.219**	−.050*
	p	.023	<.001	.897	<.001	.034
Long-term relationship orientation	r	.062**	−.096**	.051*	−.124**	.081**
	p	.008	<.001	.030	<.001	.001
Short-term relationship orientation	r	−.073**	.134**	−.014	.244**	−.030
	p	.002	<.001	.556	<.001	.204
Propensity of going out	r	−.115**	.166**	−.010	.440**	−.026
	p	<.001	<.001	.684	<.001	.264
Number of sex partners (coded)	r	−.059*	.033	.038	.104**	−.041
	p	.011	.155	.103	<.001	.079
Extra-pair matings	r	−.004	.031	−.010	−.006	−.044
	p	.856	.181	.678	.785	.061

Note. MA = morning affect; EV = eveningness; DI = distinctness/amplitude; MS = midpoint of sleep.

*p < .05. **p < .01.