Effect of different doses of Nigella sativa on gene expressions.
B = Baseline, P = Post-intervention, n = Sample Size.
No participants of the control group noticed any change in their concentration (n = 15). On the other hand, 27.8% of the third group (n = 5) noted a positive change in their concentration. Most of the subjects in the control group (n = 14) did not notice any change in their sleep, while in Group 2, 12.5% (n = 2) noted a negative change in their sleep pattern. In groups with higher doses (Groups 3 and 4), more participants noted a positive change in their sleep pattern. The questionnaire results are showed in
