Table 2.

Demographic characteristics between groups at baseline (n = 15).

	Active (n = 7)	Sham (n = 8)	p-value
Age (years)	36 (2.64)	32.75 (3.23)	0.458
Education (years)	19.43 (1.92)	19.5 (0.96)	0.973
Body Mass Index—BMI	26.6 (1.28)	24.1 (1.26)	0.186
Alcohol consumption	6/7	6/8	−
(≤1 week)
Caffeine intake before	>6	>6	−
intervention (h)
State-Anxiety Inventory (STAI)	22 (2.49)	19.75 (1.28)	0.420
Trait-Anxiety Inventory (STAI)	18.14 (1.45)	17.87 (1.29)	0.892
Beck Depression Inventory	4.86 (1.62)	2.25 (1.05)	0.190
(BDI-II)
Pittsburgh Sleep Quality	4.29 (0.86)	3 (0.75)	0.281
Index (PSQI)

Comparisons using Student’s t-test for independent samples. Results are presented in mean and standard error.