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Descriptive statistics for arousal and sleep variables.
| Variable | Younger adults | Older adults |
|---|---|---|
| Mean (SD) | Mean (SD) | |
| SOL | 14.17⁎(11.01) | 25.60⁎ (20.09) |
| WASO | 7.19⁎ (12.43) | 27.50⁎ (25.70) |
| TST | 472.53⁎ (53.77) | 418.89⁎ (67.11) |
| SQR | 3.82 (0.45) | 3.66 (0.62) |
| PSAS somatic | 8.82 (1.11) | 9.89 (4.01) |
| PSAS cognitive | 11.08⁎ (2.57) | 13.17⁎ (4.47) |
Denote statistically significant differences between older and younger adults (p<0.01).
