Figure 7.

(a) Box-plot of ${\mathrm{Feat}}_3$ (dispersion entropy (DE) for 3rd sub-band of F4-C4 for wake (1), LS-class (2), DS-class (3), and REM sleep (4) classes. (b) Box-plot of ${\mathrm{Feat}}_4$ (DE for 1st sub-band of C4-A1) for all sleep stage classes. (c) Box-plot of ${\mathrm{Feat}}_7$ (DE for 3rd sub-band of C4-P4) for all sleep stage classes. (d) Box-plot of ${\mathrm{Feat}}_8$ (DE for 2nd sub-band of P4-O2) for all sleep stage classes. (e) Box-plot of ${\mathrm{Feat}}_{13}$ (DE for 3rd sub-band of C4-A1) for all sleep stage classes. (f) Box-plot of ${\mathrm{Feat}}_{14}$ (DE for 4th sub-band of F4-C4) for all sleep stage classes. (g) Box-plot of ${\mathrm{Feat}}_{15}$ (DE for 1st sub-band of C4-P4) for all sleep stage classes. (h) Box-plot of ${\mathrm{Feat}}_{16}$ (DE for 2nd sub-band of F4-C4) for all sleep stage classes. (i) Box-plot of ${\mathrm{Feat}}_{20}$ (DE for 4th sub-band of C4-P4) for all sleep stage classes. (j) Box-plot of ${\mathrm{Feat}}_{28}$ (bubble entropy (BE) for 3rd sub-band of P4-O2) for wake (1), LS-class (2), DS-class (3), and REM sleep (4) classes. (k) Box-plot of ${\mathrm{Feat}}_{33}$ (BE for 1st sub-band of C4-A1) for all sleep stage classes. (l) Box-plot of ${\mathrm{Feat}}_{34}$ (BE for 2nd sub-band of F4-C4) for all sleep stage classes. (m) Box-plot of ${\mathrm{Feat}}_{35}$ (BE for 3rd sub-band of C4-P4) for all sleep stage classes. (n) Box-plot of ${\mathrm{Feat}}_{36}$ (BE for 4th sub-band of P4-O2) for all sleep stage classes. (o) Box-plot of ${\mathrm{Feat}}_{40}$ (BE for 2nd sub-band of C4-A1) for all sleep stage classes.