Table 3

 Relative electroencephalographic spectral power (%) in five frequency bands in prone and supine positions during quiet and active sleep

Frequency band (Hz)Quiet sleepActive sleep
ProneSupinep ValueProneSupinep Value
Values are mean (SD).
0.01–180.62 (6.08)81.37 (6.10)0.5987.00 (3.56)87.96 (3.55)<0.003
1–415.32 (5.00)14.68 (5.16)0.5810.27 (3.03)9.24 (2.90)<0.0003
4–81.76 (0.73)1.71 (0.71)0.800.97 (0.32)0.93 (0.31)0.12
8–120.79 (0.35)0.77 (0.32)0.800.40 (0.14)0.40 (0.16)0.60
12–240.80 (0.33)0.79 (0.32)0.080.64 (0.23)0.65 (0.28)0.70