Table 4 Adverse events recorded during the study among participants

Insomnia

7

5 (55.6%)

2 (25.0%)

Anxiety/nervousness

2

3 (33.3%)

0 (0%)

Dry mouth

3

3 (33.3%)

0 (0%)

Dizziness

5

2 (22.2%)

3 (37.5%)

Fatigue

4

2 (22.2%)

2 (25.0%)

Nausea

4

2 (22.2%)

2 (25.0%)

Decreased concentration

4

2 (22.2%)

2 (25.0%)

Headache

4

2 (22.2%)

2 (25.0%)

Diaphoresis

3

2 (22.2%)

1 (12.5%)

Urinary retention

2

2 (22.2%)

0 (0%)

Increased energy, feeling 'high'

2

2 (22.2%)

0 (0%)

Paresthesia (tingling sensation)

2

2 (22.2%)

0 (0%)

Restless

2

2 (22.2%)

0 (0%)

Irritability

2

2 (22.2%)

0 (0%)

Sadness/low mood

2

1 (11.1%)

1 (12.5%)

Common cold

2

1 (11.1%)

1 (12.5%)

Diarrhea

1

1 (11.1%)

0 (0%)

Constipation

1

1 (11.1%)

0 (0%)

Sexual dysfunction

1

1 (11.1%)

0 (0%)

Chills

1

1 (11.1%)

0 (0%)

Tense

1

1 (11.1%)

0 (0%)

Feeling that time goes fast/speedy

1

1 (11.1%)

0 (0%)

Decreased appetite

1

1 (11.1%)

0 (0%)

Recklessness

1

1 (11.1%)

0 (0%)

Stomach pain

1

1 (11.1%)

0 (0%)

Fall

2

0 (0%)

2 (25.0%)

Sinusitis

1

0 (0%)

1 (12.5%)

Bladder infection

1

0 (0%)

1 (12.5%)

Heart palpitation

1

0 (0%)

1 (12.5%)

Other (assault, car accident)

4

2 (22.2%)

0 (0%)