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Mean Daily Objective Sleep Parameters (N = 40)
| Nighttime Sleep | Nighttime Sleep and Daytime Naps |
|||
|---|---|---|---|---|
| Variable | X̅ | SD | X̅ | SD |
| Total sleep time (minutes) | 232.38 | 71.16 | 341.59 | 141.06 |
| Sleep latency (minutes) | 15.38 | 14.89 | 24.09 | 18.07 |
| Sleep efficiency (percent) | 42.26 | 8.4 | 55.07 | 10.01 |
| Wake after sleep onset (minutes) | 313.58 | 120.46 | 220.72 | 105.32 |
| Number of awakenings | 31.73 | 12.93 | 28.64 | 13.1 |
| Naps | – | – | 7.5 | 5.84 |
Note. One patient had no defined sleep periods during the 96-hour study period.
