Fig. 6

A Two-dimensional scattergram and B the correlation coefficients displaying the relationship between the variations in mean arterial pressure (MAP) and the corresponding cardiovascular response measures without sleep scoring and sleep pattern variables during quiet sleep across three different ambient temperatures in rats. Data are shown as scatter/dot plots with means ± SEM; n = 11. *,*p < 0.05 vs 0 by one-sample t-test for normality and one-sample Wilcoxon signed-rank test for nonnormality, respectively. RR R-R intervals, TP total power of heart rate variability, HF high-frequency power of heart rate variability, BLF low-frequency power of blood pressure variability, BrrA baroreflex sensitivity of ascending MAP-RR pairs, BrrD baroreflex sensitivity of descending MAP-RR pairs, ln natural logarithm, nu normalized units