Table 6.
Significant Correlates | Entire Sample Pearson r (P) | Advanced subjects aMT6s < 0338 hr Pearson r (P) | Delayed subjects aMT6s > 0338 hr Pearson r (P) |
---|---|---|---|
Actigraphic Sleep | |||
Sleep Latency | −0.24 (<0.001) | −0.33 (<0.001) | −0.17 (0.023) |
Total Sleep Time | −0.12 (0.011) | −0.12 (0.116) | −0.09 (0.223) |
Wake After Sleep Onset | −0.14 (0.004) | −0.25 (0.001) | −0.06 (0.409)* |
Final Awakening Time | −0.17 (<0.001) | −0.13 (0.088) | −0.12 (0.103) |
Diary Sleep | |||
Sleep Latency | −0.24 (<0.001) | −0.31 (<0.001) | −0.16 (0.025) |
Total Sleep Time | 0.05 (0.309) | −0.06 (0.407) | 0.18 (0.016)* |
Naps | 0.00 (0.939) | −0.11 (0.227) | 0.08 (0.354) |
4-Week Recall | |||
Trouble Falling Asleep | −0.20 (<0.001) | −0.01 (0.920) | −0.26 (<0.001)* |
Wake Up Often in Night | −0.18 (<0.001) | −0.09 (0.218) | −0.23 (0.002) |
Wake Up Too Early | −0.11 (0.018) | −0.07 (0.376) | −0.21 (0.004) |
Total Sleep Time | 0.07 (0.145) | −0.10 (0.166) | 0.20 (0.005)* |
Sleep Quality | 0.18 (<0.001) | 0.02 (0.749) | 0.26 (<0.001)* |
Significantly different correlation for phase-advanced versus phase-delayed volunteers.