Table 6.
Between-group sleep diary outcomes.
| Diary Measure | Group | P | |
|---|---|---|---|
| Sham | Active | ||
| Karolinska Sleepiness Scale | −0.56 (0.62) | 0.57 (0.85) | .970 |
| Time to bed (time) | −0.12 (0.05) | 0.02 (0.01) | .240 |
| Time to sleep (time) | −0.00 (0.06) | 0.03 (0.15) | .583 |
| Sleep latency (min) | −1.50 (6.38) | −6.33 (7.30) | .086 |
| Sleep efficiency (%) | 1.64 (3.13) | 1.84 (13.67) | .964 |
| Total sleep time (min) | 0.00 (0.02) | 0.01 (0.03) | .507 |
| Number of awakenings | −0.02 (0.71) | −0.29 (0.77) | .344 |
| Wake after sleep onset (min) | −2.04 (18.71) | 0.64 (11.92) | .636 |
| Wake after sleep onset time out of bed (min) | −3.25 (8.44) | 0.33 (1.39) | .198 |
| Wake up time (time) | 0.01 (0.03) | 0.01 (0.03) | .990 |
| Time out of bed (time) | 0.00 (0.03) | 0.00 (0.02) | .834 |
| Sufficient | 0.04 (0.12) | 0.07 (1.51) | .594 |
| Refreshed | 0.35 (0.50) | 0.71 (0.71) | .164 |
| Sleep quality | 0.37 (0.52) | 0.59 (0.77) | .426 |
Data are presented as mean (standard deviation); t tests were performed on change scores pre- and postintervention.