Skip to main content
. Author manuscript; available in PMC: 2023 May 1.
Published in final edited form as: Sleep Med. 2021 Nov 11;93:90–99. doi: 10.1016/j.sleep.2021.11.004

Table 3.

Regressions between presleep conditions and sleepiness.

Environmental
Disruptions
Presleep Worries Presleep Family
Concerns
Presleep Arousal Presleep Somatic
Complaints
B(SE) β B(SE) β B(SE) β B(SE) β B(SE) β
Linear Presleep Conditions
Presleep Condition .37(.11) .21*** .61(.16) .23*** .39(.11) .21*** .12(.03) .29*** .65(.18) .22***
R2 5.0% 6.1% 5.2% 9.0% 5.5%
Nonlinear Presleep Conditions
Presleep condition2 −.10(.04) −.22** −.39(.11) −.32*** .02(.04) .07 −.01(.00) −.21** −.16(.13) −.10
ΔR2 3.1% 4.1% 0.1% 2.5% 0.6%

Note: All regressions control for race, sex, SES, and age which together account for 0.9% of the variance in sleepiness.

**

p < .01

***

p < .001.