Dependent t Tests Investigating Change in Sleep Diary Indicators From Baseline to Posttest (n = 13)
| Variable . | M (SD) . | Change From Baseline to Posttest . | ||||
|---|---|---|---|---|---|---|
| Baseline . | Posttest . | M (SD) . | SE . | t (12) . | d . | |
| Sleep onset latency | 35.46 (12.94) | 13.00 (6.31) | 22.46 (13.43) | 3.73 | 6.03** | 1.67 |
| Nighttime awakenings | 1.85 (0.80) | 1.08 (0.86) | 0.77 (0.60) | 0.17 | 4.63** | 1.29 |
| Wake after sleep onset | 21.46 (12.93) | 11.38 (9.08) | 10.08 (15.08) | 4.18 | 2.41* | 0.67 |
| Total time in bed | 485.38 (56.33) | 428.00 (47.96) | 57.39 (34.06) | 9.45 | 6.08** | 1.68 |
| Total sleep time | 413.08 (57.50) | 396.46 (44.80) | 16.62 (24.72) | 6.86 | 2.42* | 0.67 |
| Sleep efficiency | 85.15 (4.28) | 93.23 (3.30) | −8.08 (6.09) | 1.69 | −4.78** | 1.33 |
| Variable . | M (SD) . | Change From Baseline to Posttest . | ||||
|---|---|---|---|---|---|---|
| Baseline . | Posttest . | M (SD) . | SE . | t (12) . | d . | |
| Sleep onset latency | 35.46 (12.94) | 13.00 (6.31) | 22.46 (13.43) | 3.73 | 6.03** | 1.67 |
| Nighttime awakenings | 1.85 (0.80) | 1.08 (0.86) | 0.77 (0.60) | 0.17 | 4.63** | 1.29 |
| Wake after sleep onset | 21.46 (12.93) | 11.38 (9.08) | 10.08 (15.08) | 4.18 | 2.41* | 0.67 |
| Total time in bed | 485.38 (56.33) | 428.00 (47.96) | 57.39 (34.06) | 9.45 | 6.08** | 1.68 |
| Total sleep time | 413.08 (57.50) | 396.46 (44.80) | 16.62 (24.72) | 6.86 | 2.42* | 0.67 |
| Sleep efficiency | 85.15 (4.28) | 93.23 (3.30) | −8.08 (6.09) | 1.69 | −4.78** | 1.33 |