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Results of the mixed model analysis of variance for subjectively perceived sleepiness, tension and discomfort. In bold results with p < 0.05.
| Variable | Light | Time of day | Light x Time of Day |
|---|---|---|---|
| Sleepiness | F1,217 = 8.8; p = 0.003 | F15,217 = 19.2; p < 0.0001 | F15,217 = 0.52; p = 0.926 |
| Tension | F1,217 = 28.7; p < 0.001 | F15,217 = 2.15; p = 0.009 | F15,217 = 0.9; p = 0.565 |
| Discomfort | F1,217 = 30.9; p < 0.001 | F15,217 = 3.0; p = 0.0002 | F15,217 = 0.39; p = 0.98 |
