Table 2.
Effects of RET and AET on Sleep Parameters
| Baseline | Week 6 | |||||
|---|---|---|---|---|---|---|
|
| ||||||
| Weeknight | Weekend | Weeknight | Weekend | |||
|
| ||||||
| Outcome | Mean (SD) | Mean (SD) | Mean (SD) | Hedges’ d (95%CI) | Mean (SD) | Hedges’ d (95%CI) |
| Total Sleep Time (TST; min) | ||||||
| RET (n=9) | 462 (27) | 466 (50) | 448 (17) | −0.78 (−1.74, 0.18) | 466 (62) | −0.90 (−1.87, 0.07) |
| AET (n=8) | 418 (44) | 475 (80) | 446 (53) | 0.18 (−0.77, 1.13) | 475 (81) | −0.72 (−1.70, 0.26) |
| WL (n=9) | 458 (50) | 492 (63) | 477 (121) | 546 (168) | ||
| Lights Out Time (Military Time; SD [min]) | ||||||
| RET | 23:42 (86) | 00:17 (87) | 23:57 (62) | 0.38 (−0.55, 1.31) | 00:40 (65) | 0.63 (−0.32, 1.57) |
| AET | 00:39 (67) | 01:46 (72) | 00:35 (76) | 0.22 (−0.73, 1.18) | 01:37 (106) | 0.31 (−0.65, 1.27) |
| WL | 23:54 (121) | 00:08 (97) | 23:27 (73) | 23:31 (161) | ||
| Awakening Out of Bed Time (Military Time; SD [min]) | ||||||
| RET | 08:15 (99) | 08:59 (87) | 07:59 (80) | 0.05 (−0.88, 0.97) | 08:47 (105) | −0.92 (−1.89, 0.05) |
| AET | 08:26 (50) | 10:23 (95) | 08:48 (65) | 0.38 (−0.58, 1.35) | 10:07 (107) | −0.85 (−1.84, 0.15) |
| WL | 08:34 (139) | 09:02 (113) | 08:13 (115) | 10:27 (180) | ||
| Time in Bed (TIB; min) | ||||||
| RET | 528 (29) | 528 (41) | 505 (37) | −0.86 (−1.82, 0.11) | 493 (59) | −1.79 (−2.89, −0.70)a |
| AET | 484 (38) | 535 (83) | 502 (62) | 0.31 (−0.65, 1.27) | 517 (83) | −1.13 (−2.16, −0.11)a |
| WL | 533 (35) | 554 (70) | 539 (117) | 627 (168) | ||
| Sleep Onset Latency (SOL; min) | ||||||
| RET | 28 (26) | 15 (11) | 20 (27) | −0.13 (−1.06, 0.79) | 12 (9) | −1.30 (−2.32, −0.28)a |
| AET | 26 (18) | 12 (12) | 19 (15) | −0.11 (−1.07, 0.84) | 11 (9) | −1.08 (−2.09, −0.06)a |
| WL | 25 (16) | 16 (11) | 20 (21) | 28 (39) | ||
| Wakefulness After Sleep Onset (WASO; min) | ||||||
| RET | 9 (8) | 14 (24) | 7 (8) | 0.08 (−0.85, 1.00) | 6 (10) | −0.27 (−1.20, 0.66) |
| AET | 12 (14) | 15 (21) | 21 (31) | 0.75 (−0.23, 1.74) | 7 (9) | −0.28 (−1.23, 0.68) |
| WL | 14 (16) | 18 (32) | 11 (14) | 18 (36) | ||
| Sleep Efficiency (%) | ||||||
| RET | 86.9 (6.7) | 87.1 (5.3) | 88.5 (7.5) | −0.04 (−0.96, 0.89) | 93.2 (4.8) | 1.30 (0.29, 2.32)a |
| AET | 86.6 (6.4) | 88.9 (7.6) | 89.0 (6.2) | 0.06 (−0.89, 1.02) | 91.7 (3.9) | 0.68 (−0.30, 1.66) |
| WL | 86.0 (8.1) | 89.1 (7.0) | 87.9 (6.1) | 86.7 (10.6) | ||
Abbreviations: SD, standard deviation; 95%CI, 95% confidence interval; RET, resistance exercise training; AET, aerobic exercise training; WL, waitlist
a
p < 0.05