Table 2.
—Outcomes
| Acclimation Phase | Experimental Phase | Recovery Phase | Difference, Acclimation to Experimental, (95% CI)a | P Value | ||||
| Outcome | Sleep-Deprived | control | Sleep-Deprived | control | Sleep-Deprived | control | ||
| Caloric intake, kcal/d | 2,382 (578) | 3,060 (835) | 2,942 (978) | 2,942 (794) | 2,530 (575) | 3,056 (914) | 677 (148, 1,206) | .014 |
| Physical activity, total accelerations | 3,116 (1,252) | 2,885 (613) | 3,154 (533) | 3,128 (1,268) | 2,850 (824) | 2,961 (546) | −205 (−1,039, 628) | .62 |
| Biochemical measurements | ||||||||
| Ghrelin,b pg/mL | 799 (241) | 708 (166) | 759 (284) | 740 (266) | 739 (255) | 666 (184) | −72 (−188, 44) | .21 |
| Leptin, ng/mL | 10.7 (10.7) | 9.3 (11.6) | 11.6 (11.5) | 8.4 (8.6) | 12.1 (12.1) | 8.2 (8.2) | 1.8 (−1.5, 5.1) | .27 |
Data are presented as mean ± SD.
a
Estimated change from the acclimation to experimental time period between the experimental and control groups.
b
Ghrelin was measured as total ghrelin.