Table 3.

Performance on the vigilance task

Reaction time
LearningTest
30 min group
    Sleep371.23 ± 10.69374.94 ± 11.79
    Wake366.25 ± 09.58397.64 ± 11.61
4 h group
    Sleep373.24 ± 11.04376.67 ± 12.17
    Wake358.92 ± 09.89376.97 ± 11.99
Circadian control
    30 min351.15 ± 12.31369.03 ± 15.78
    4 h354.54 ± 08.12364.73 ± 08.22
  • Means ± SEMs are shown. Reaction time is shown in milliseconds.