Table 6.
Self-reported postsleep measures
| PI |
CG |
P | |||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| Hyperarousal scale | 39.86 | 10.57 | 38.83 | 11.25 | ns |
| Insomnia Severity Index | 15.3 | 3.77 | 2.3 | 1.63 | 0.0001 |
| Subjective sleep quality and continuity | |||||
| Latency to sleep (min) | 23.5 | 14.7 | 20.5 | 8.6 | ns |
| Number of awakenings | 3.2 | 1.6 | 2.4 | 1.2 | ns |
| Duration of awakenings (min) | 16.6 | 10 | 13.4 | 8.2 | ns |
| Sleep duration (hr) | 5.7 | 1.4 | 6.8 | 0.7 | 0.05 |
| Additional hr of sleep desired | 2.3 | 1.7 | 0.6 | 0.4 | 0.01 |
| Sleep (poor = 0, good = 10) | 5.3 | 1.4 | 8.0 | 1.3 | 0.0004 |
| Sleep (refreshing less = 0, more = 10) | 5.4 | 2.1 | 8.1 | 1.9 | 0.008 |
| Sleep (light = 0, deep = 10) | 5 | 1.9 | 7.4 | 1.6 | 0.008 |
| Mood after awakening (terrible = 0, excellent = 10) | 6.9 | 1.1 | 8.4 | 2.3 | ns |
| Bed (uncomfortable = 0, comfortable = 10) | 8.1 | 1.6 | 7.1 | 2.3 | ns |
Between-group analysis P < 0.05. CG, control group; PI, primary insomnia group; SD, standard deviation.