Research Article
Mechanical Bed for Investigating Sleep-Inducing Vibration
Table 1
Statistical results of sleep latencies using the Smirnov-Grubbs test.
| | No exc. | Horizontal excitation | Vertical excitation |
| Amplitude | 0 | 2.4 | 5.0 | 7.5 | 2.4 | 5.0 | 7.5 | Ave. latency [min] | 14.7 | 10.1 | 9.0 | 12.4 | 10.8 | 9.9 | 11.0 | Min. latency [min] | 5.1 | 4.0 | 3.2 | 9.0 | 2.0 | 4.4 | 3.5 | Max. latency [min] | 21.9 | 18.3 (29.7) | 18.0 (26.6) | 15.6 | 15.2 | 17.6 | 21.0 | Std. deviation | 6.1 | 5.3 | 4.1 | 4.5 | 6.1 | 5.7 | 7.1 | Variance | 34.0 | 23.8 | 14.9 | 17.8 | 33.4 | 28.6 | 44.2 | Conf. interval [%] | 4.2 | 4.5 | 2.8 | 3.5 | 3.4 | 3.5 | 4.3 | Sample number | 10 | 7 | 10 | 8 | 11 | 9 | 9 | Number of exclusion | 2 | 3 | 2 | 3 | 1 | 2 | 1 | Outliers in exclusion | 0 | 1 | 1 | 0 | 0 | 0 | 0 | Number of experiments | 12 | 10 | 12 | 11 | 12 | 11 | 10 |
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Values in parentheses are omitted as outliers.
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