Table 3

VAS scores before and after sleep deprivation and exercise nights

Type of night and groupVAS scores (mean ± SD) by categorya
SleepinessPainFeeling blueAnxietyFatigue
Normal night
    Control
        Before sleep4.7 ± 4.00.1 ± 0.20.2 ± 0.71.7 ± 3.63.1 ± 4.2
        After awake2.5 ± 3.1c0.3 ± 0.80.3 ± 0.80.7 ± 1.31.4 ± 2.1c
    CFS
        Before sleep8.8 ± 4.0b7.1 ± 3.9b1.1 ± 1.9b1.5 ± 2.09.4 ± 3.0b
        After awake7.8 ± 3.6b7.1 ± 3.8b0.9 ± 1.60.9 ± 1.78.2 ± 3.2b
Night of sleep deprivation
    Control
        Before deprivation3.6 ± 5.30.9 ± 2.10.1 ± 0.20.8 ± 1.72.2 ± 4.6
        After deprivation4.7 ± 4.50.9 ± 1.80.2 ± 0.50.2 ± 0.53.5 ± 4.5
    CFS
        Before deprivation9.6 ± 3.7b8.3 ± 2.6b0.9 ± 1.2b0.9 ± 1.110.5 ± 2.7b
        After deprivation11.2 ± 4.4b9.8 ± 3.4b,c0.6 ± 0.90.9 ± 0.9b11.9 ± 3.2b,c
Night following exercise
    Control
        Before sleep3.7 ± 3.60.0 ± 0.00.04 ± 0.140.7 ± 1.82.4 ± 3.6
        After awake1.2 ± 1.40.0 ± 0.00.1 ± 0.20.05 ± 0.170.6 ± 1.3
    CFS
        Before sleep10.4 ± 3.8b8.7 ± 4.5b1.0 ± 1.4b1.8 ± 3.010.5 ± 3.4b
        After awake8.3 ± 4.0b8.1 ± 5.2b0.5 ± 0.8b,c0.7 ± 1.0b9.5 ± 3.7b
  • a Values in boldface indicate the cases where the experimental effects on subjective symptoms were significant (repeated-ANOVA, P < 0.05; Bonferroni multiple comparison adjustment was used).

  • b Significant difference from healthy controls.

  • c Significant difference between before and after sleep deprivation/exercise tests.