| High Self-Assessment Group (n = 7) | Low Self-Assessment Group (n = 8) | Morning Comparison | ||
---|---|---|---|---|---|
 | Morning (08:00 h) | Evening (20:00 h) | Morning (08:00 h) | Evening (20:00 h) | t -value |
• Physical symptoms |  |  |  |  |  |
   1. Drowsiness | 3.14 | 1.43 | 3.38 | 1.50 | -0.67 |
   2. Poor appetite | 2.14 | 1.86 | 2.25 | 1.38 | -0.30 |
   3. Heaviness in the head | 1.14 | 1.29 | 1.38 | 1.13 | -1.00 |
   4. Dizziness | 1.00 | 1.00 | 1.75 | 1.25 | -3.00* |
   5. Whole-body fatigue | 2.00 | 1.57 | 2.63 | 1.75 | -1.49 |
• Mental symptoms |  |  |  |  |  |
   6. Lack of motivation | 2.00 | 2.00 | 2.75 | 2.13 | -1.82 |
   7. Easily irritated | 1.00 | 1.14 | 1.50 | 1.50 | -2.65* |
   8. Feelings of melancholy | 1.00 | 1.14 | 1.88 | 2.13 | -2.97* |
   9. Desire to rest | 2.00 | 2.00 | 3.00 | 2.50 | -2.45* |
   10. Anxiety | 1.14 | 1.57 | 2.50 | 3.00 | -3.80** |
total | 19.00 | 16.60 | 32.75 | 23.00 | -3.96** |