Table 1 Association between prior-night sleep and next-day symptoms among military personnel with sleep problems (N = 270 for diary and N = 256 for FitBit)
Alert | Clear-headed | Refreshed | Fatigued | Happy | Sad | Stressed | Relaxed | |
|---|---|---|---|---|---|---|---|---|
Sleep diary | ||||||||
TST | 0.069a <0.001 t = 7.94 | 0.076a <0.001 t = 8.95 | 0.132a <0.001 t = 13.2 | −0.136a <0.001 t = −13.44 | 0.059a <0.001 t = 7.35 | −0.024b <0.001 t = −3.82 | −0.061a <0.001 t = −7.64 | 0.078a <0.001 t = 8.68 |
SE | 1.039a <0.001 t = 8.8 | 1.107a <0.001 t = 9.65 | 1.792a <0.001 t = 13.26 | −1.779a <0.001 t = −12.94 | 0.824a <0.001 t = 7.53 | −0.417a <0.001 t = −4.96 | −0.722a <0.001 t = −6.64 | 1.114a <0.001 t = 9.16 |
Qual | 0.145a <0.001 t = 18.73 | 0.148a <0.001 t = 19.81 | 0.242a <0.001 t = 29.19 | −0.205a <0.001 t = −23.17 | 0.109a <0.001 t = 14.95 | −0.041a <0.001 t = −7.13 | −0.076a <0.001 t = −10.34 | 0.135a <0.001 t = 16.73 |
Fitbit | ||||||||
TST | 0.03c 0.001 t = 3.29 | 0.032a <0.001 t = 3.6 | 0.073a <0.001 t = 6.86 | −0.079a <0.001 t = −7.36 | 0.028c <0.001 t = 3.3 | −0.004 0.548 t = −0.6 | −0.03a <0.001 t = −3.48 | 0.04a <0.001 t = 4.21 |
SE | 1.053c 0.002 t = 3.15 | 1.239a <0.001 t = 3.83 | 1.922a <0.001 t = 4.92 | −1.456a <0.001 t = −3.69 | 0.694d 0.023 t = 2.27 | −0.205 0.382 t = −0.87 | −0.517 0.092 t = −1.69 | 0.853d 0.013 t = 2.49 |