Table 1. Intraclass correlation coefficient for total lying time and sleep time in the next 1 week.
| ICC (1, 1) | 95%CI | ICC (1, 7) | 95%CI | |
| Total lying time during next 1 week | 0.835 | 0.773–0.889 | 0.973 | 0.960–0.982 |
| Sleep time during next 1 week | 0.701 | 0.596–0.781 | 0.940 | 0.912–0.961 |
ICC: intraclass correlation coefficient; 95%CI: 95% confidence interval.