TABLE 2.
Effects of alcohol on sleep and nocturnal heart rate (HR).
| Measure | Placebo | Alcohol | T‐test p‐value |
|---|---|---|---|
| Total Sleep Time (min) | 436.6 (4.5) | 421.3 (7.1) | p < 0.05 |
| Sleep Efficiency (%) | 91.2 (1.0) | 88.0 (1.5) | p < 0.05 |
| Sleep Latency (min) | 6.9 (1.2) | 5.3 (0.9) | ns |
| Arousals (#) | 55.5 (22.1) | 54.7 (3.4) | ns |
| Awakenings Index | 3.0 (0.2) | 3.3 (0.2) | ns |
| Arousal Index | 7.9 (0.5) | 8.2 (0.5) | ns |
| N1 (%) | 5.3 (0.5) | 5.3 (0.4) | ns |
| N2 (%) | 51.4 (1.4) | 54.2 (1.1) | p < 0.05 |
| N3 (%) | 23.6 (1.5) | 23.9 (1.0) | ns |
| REM (%) | 20.0 (0.9) | 16.5 (0.9) | p < 0.005 |
| Nocturnal HR | 56.4 (1.6) | 65.0 (2.0) | p < 0.001 |
All data represented as mean (SEM), all significant differences are bolded.