Pearson correlation coefficient, P-values, 95% confidence interval, mean difference, r2 and mean absolute error between smartwatch and Shimmer3 HR and HRV parameters in 5-minute window during sleep.

Pearson correlation coefficient, P-values, 95% confidence interval, mean difference, r2 and mean absolute error between smartwatch and Shimmer3 HR and HRV parameters in 5-minute window during sleep.睡眠期间5分钟窗口内，智能手表与Shimmer3的心率（HR）及心率变异性（HRV）参数之间的皮尔逊相关系数（Pearson correlation coefficient）、P值（P-values）、95%置信区间（95% confidence interval）、均差（mean difference）、决定系数（r2）以及平均绝对误差（mean absolute error）。