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Table 3 Means and 95% Bayesian credibility intervals (in brackets) of measures obtained with the Epworth Sleepiness Scale, the psychomotor vigilance task, and the Karolinska Sleepiness Scale for the two posture groups in Study 2

From: Are subjective sleepiness and sleep quality related to prospective memory?

Measure

Upright

Supine

ESS

5.50 [4.86, 6.14]

6.00 [5.30, 6.70]

PSQI

4.15 [3.58, 4.73]

4.83 [4.29, 5.37]

PVT

 False alarms

3.35 [1.58, 5.11]

2.64 [1.18, 4.10]

 Lapses

0.00

0.04 [−0.02, 0.09]

 Logarithmized reaction times

5.79 [5.74, 5.83]

5.82 [5.79, 5.85]

KSS

 Time 1

3.32 [2.97, 3.67]

3.25 [2.92, 3.57]

 Time 2

4.12 [3.62, 4.61]

4.62 [4.18, 5.07]

  1. ESS Epworth Sleepiness Scale, PSQI Pittsburgh Sleep Quality Index, PVT psychomotor vigilance task, KSS Karolinska Sleepiness Scale