Table 1.
Unadjusted means (Standard Deviations) and associated regressions of sleep variables on study condition controlling for order, retest/practice, participant age, and participant BMI (N = 12).
| Short Sleep1 (5 hr TIB) | Long Sleep1 (9hr TIB) | Coef2 | p-value | |
|---|---|---|---|---|
| Sleep Period | 283 ± 23 | 518 ± 14 | −234.97 | < .001 |
| Sleep Onset Latency (SOL) | 8 ± 7 | 24 ±14 | −15.75 | < .001 |
| Total Sleep Time | 261 ± 26 | 446 ± 31 | −186.16 | < .001 |
| Wake After Sleep Onset (WASO) | 23 ± 20 | 74 ± 31 | −51.03 | < .001 |
| Stage 1 | 15 ± 11 | 34 ± 19 | −19.06 | < .001 |
| Stage 2 | 140 ± 32 | 265 ± 33 | −125.37 | < .001 |
| Slow Wave Sleep (SWS) | 59 ± 34 | 64 ± 46 | −5.48 | 0.37 |
| REM | 47 ± 16 | 84 ± 21 | −36.10 | < .001 |
| Sleep Efficiency (%) | 90 ± 7 | 82 ± 6 | 0.07 | .002 |
| Percent Time Stage 13 | 6 ± 4 | 8 ± 5 | −0.02 | 0.02 |
| Percent Time Stage 23 | 53 ± 10 | 59 ± 7 | −0.06 | 0.02 |
| Percent Time SWS3 | 22 ± 13 | 14 ± 9 | 0.08 | < .001 |
| Percent Time REM3 | 18 ± 7 | 19 ± 5 | 0.00 | 0.94 |
1
All values are unadjusted Means ± SD
2
Reported coefficients and associated p-values control for order, retest, participant age, and participant BMI.
3
Percentage values for sleep stages are based on TST.