Table 2.
Means and SD for sleep measures during the 7 days of habitual sleep period and during the 3 days of partial sleep deprivation (n = 49–52)
| Habitual sleep period | Sleep deprived | |||||||
|---|---|---|---|---|---|---|---|---|
| Min | Max | Mean (SD) | Min | Max | Mean (SD) | t | p | |
| Sleep duration actigraphy (min) | 327 | 517 | 435 (41) | 214 | 382 | 301 (43) | 38.09 | .000 |
| Sleep duration sleep diary (min) | 360 | 553 | 452 (42) | 217 | 392 | 312 (43) | 34.21 | .000 |
| Sleep efficiency actigraphy (%) | 76.3 | 93.5 | 86.9 (3.7) | 68.5 | 97.1 | 86.9 (5.3) | −0.12 | .906 |
| Midpoint of sleep actigraphy (time) | 2.57 am | 6.21 am | 4.22 am (00:49 min) | 3.01 am | 6.53 am | 4.26 am (00:51 min) | −1.43 | .159 |
| Subjective sleep quality (1–5) | 2.3 | 4.7 | 3.5 (0.6) | 2.7 | 5.0 | 4.1 (0.7) | −6.26 | .000 |