Figure 1.

Global differences in monetary delay discounting between self-reported short sleepers, medium length sleepers, and their subtypes. All HSS = all habitual short sleepers; All MLS = all medium length sleepers; HSS-NRD = habitual short sleepers not reporting daytime dysfunction; HSS-RD = habitual short sleepers reporting daytime dysfunction; MLS-NRD = medium length sleepers not reporting daytime dysfunction; MLS-RD = medium length sleepers reporting daytime dysfunction; Error bars = standard error of the mean; n.s. = not significant. **p < 0.01; ***p < 0.001. d = Cohen’s d.