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Comparison of sleep scores between groups
| Variables, mean ± SD | Intervention group | Control group | P - value |
|---|---|---|---|
| Depth | 26.7 ± 21.5 | 55.5 ± 27.4 | 0.00 |
| Latency (time to fall asleep) | 23.7 ± 17.4 | 60.4 ± 25.9 | 0.00 |
| Number of awakenings | 25.3 ± 16.2 | 51.2 ± 26.7 | 0.00 |
| Efficiency (percent of time awake) | 21.7 ± 20.9 | 63.4 ± 21.9 | 0.00 |
| Perceived quality | 23.7 ± 20.6 | 54.0 ± 25.5 | 0.00 |
| Perceived nighttime noise | 25.0 ± 24.0 | 40.2 ± 28.8 | 0.047 |
