Table 1.
Mean systolic (SBP), diastolic (DBP) and heart rate (HR) ambulatory values during placebo and melatonin intake.
| Placebo | Melatonin | ||
|---|---|---|---|
| SBP (mm Hg) | P | ||
| 24 h | 124.16 ± 9 | 130.65 ± 10 | < 0.001 |
| Daytime | 128.53 ± 10 | 134.91 ± 11 | < 0.002 |
| Nighttime | 115.43 ± 7 | 122.11 ± 8 | < 0.001 |
| DBP (mm Hg) | P | ||
| 24 h | 76.71 ± 5 | 81.0 ± 6 | < 0.01 |
| Daytime | 79.90 ± 7 | 84.51 ± 7 | < 0.002 |
| Nighttime | 70.33 ± 4 | 73.96 ± 5 | < 0.01 |
| HR (beats min−1) | P | ||
| 24 h | 66.50 ± 3 | 70.42 ± 4 | < 0.01 |
| Daytime | 69.23 ± 4 | 73.41 ± 4 | < 0.01 |
| Nighttime | 61.05 ± 3 | 64.43 ± 3 | < 0.05 |