Table 2 Sleep parameters in the week preceding the on-road track study for younger and older drivers.
From: On-road driving impairment following sleep deprivation differs according to age
Condition | Variable | Younger adults | Older adults | p value |
|---|---|---|---|---|
Well rested | Time in bed (h) | 8.17 (0.25) | 8.02 (0.17) | 0.081 |
Total sleep time (h) | 6.32 (1.03) | 6.37 (0.90) | 0.918 | |
SOL (min) | 24.55 (19.77) | 10.07 (10.25) | 0.022 | |
Sleep efficiency (%) | 77.61 (13.68) | 79.39 (11.77) | 0.715 | |
WASO (min) | 68.85 (37.21) | 78.05 (53.23) | 0.601 | |
Sleep deprived | Time in bed (h) | 8.30 (0.75) | 8.05 (0.28) | 0.229 |
Total sleep time (h) | 7.15 (0.77) | 6.42 (0.28) | 0.017 | |
SOL (min) | 15.56 (16.91) | 19.24 (29.62) | 0.677 | |
Sleep efficiency (%) | 85.65 (5.85) | 79.83 (9.42) | 0.050 | |
WASO (min) | 44.95 (15.39) | 65.41 (36.16) | 0.052 |