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. 2022 Jan 27;12(2):74. doi: 10.3390/bios12020074

Figure 4.

Figure 4

K-means clustering results of the (A) control group, (B) PD w. clonazepam group, and (C) PD w.o. clonazepam group. Blue and orange columns represent the clustering of REM and deep-sleep stages, respectively. The heart rate of the PD w. and w.o. clonazepam groups during the deep-sleep stage was less than that of the control group.