Effects of nocturnal sleep and daytime napping on paired-associate performance.

<p>Means and standard errors were estimated from mixed model analyses.</p><p><i>d</i> = Cohen’s <i>d.</i></p><p>Changes that were statistically different from 0 are in bold.</p>a<p>Significant contrasts in changes across sleep and across nap.</p>b<p>Significant contrasts in changes across 12 hours (experiment 1) and 2 hours (experiment 2) of wakefulness.</p><p>Effects of nocturnal sleep and daytime napping on paired-associate performance.