Table 1.

Self-reported rate of attention, fatigue, quality of sleep (1 is poorest and 7 is the maximal), perceived tDCS as active (1) or sham (0) and sleep hours. All the values are averaged and compared using independent t tests between the groups, and presented as mean ± standard deviation (SD)

Visuomotor task	Attention	Fatigue	Sleeping hours	Quality of sleep	Active or sham
Anodal	5.3 ± 1.1	3.7 ± 1.5	7.2 ± 1.2	5.1 ± 1.4	0.8 ± 0.3
Sham	4.6 ± 1.1	3.7 ± 1.5	7.2 ± 1.6	4.7 ± 1.7	0.6 ± 0.5
T test	t(27) = 1.6, p = 0.1	t(27) = 0.03, p = 0.9	t(27) = 0.04, p = 0.9	t(27) = 0.6, p = 0.5	t(27) = 1.4, p = 0.2